It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 40 498 013 is not a prime number.
For example, 40 498 013 can be divided by 59: 40 498 013 / 59 = 686 407.
For 40 498 013 to be a prime number, it would have been required that 40 498 013 has only two divisors, i.e., itself and 1.
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40 498 013 is an odd number, because it is not evenly divisible by 2.
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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 40 498 013 is about 6 363.805.
Thus, the square root of 40 498 013 is not an integer, and therefore 40 498 013 is not a square number.
The square of a number (here 40 498 013) is the result of the product of this number (40 498 013) by itself (i.e., 40 498 013 × 40 498 013); the square of 40 498 013 is sometimes called "raising 40 498 013 to the power 2", or "40 498 013 squared".
The square of 40 498 013 is 1 640 089 056 948 169 because 40 498 013 × 40 498 013 = 40 498 0132 = 1 640 089 056 948 169.
As a consequence, 40 498 013 is the square root of 1 640 089 056 948 169.
40 498 013 is a number with 8 digits.
The multiples of 40 498 013 are all integers evenly divisible by 40 498 013, that is all numbers such that the remainder of the division by 40 498 013 is zero. There are infinitely many multiples of 40 498 013. The smallest multiples of 40 498 013 are: