It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 120 016 is not a prime number.
For example, 240 120 016 can be divided by 2: 240 120 016 / 2 = 120 060 008.
For 240 120 016 to be a prime number, it would have been required that 240 120 016 has only two divisors, i.e., itself and 1.
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240 120 016 is an even number, because it is evenly divisible by 2: 240 120 016 / 2 = 120 060 008.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 240 120 016 is about 15 495.806.
Thus, the square root of 240 120 016 is not an integer, and therefore 240 120 016 is not a square number.
The square of a number (here 240 120 016) is the result of the product of this number (240 120 016) by itself (i.e., 240 120 016 × 240 120 016); the square of 240 120 016 is sometimes called "raising 240 120 016 to the power 2", or "240 120 016 squared".
The square of 240 120 016 is 57 657 622 083 840 256 because 240 120 016 × 240 120 016 = 240 120 0162 = 57 657 622 083 840 256.
As a consequence, 240 120 016 is the square root of 57 657 622 083 840 256.
240 120 016 is a number with 9 digits.
The multiples of 240 120 016 are all integers evenly divisible by 240 120 016, that is all numbers such that the remainder of the division by 240 120 016 is zero. There are infinitely many multiples of 240 120 016. The smallest multiples of 240 120 016 are: