40597386902747 has 4 divisors (see below), whose sum is σ = 40643363559240. Its totient is φ = 40551410246256.

The previous prime is 40597386902707. The next prime is 40597386902749. The reversal of 40597386902747 is 74720968379504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40597386902747 - 2⁸ = 40597386902491 is a prime.

It is a super-2 number, since 2×40597386902747² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40597386902749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22988326922 + ... + 22988328687.

It is an arithmetic number, because the mean of its divisors is an integer number (10160840889810).

Almost surely, 2^{40597386902747} is an apocalyptic number.

40597386902747 is a deficient number, since it is larger than the sum of its proper divisors (45976656493).

40597386902747 is an equidigital number, since it uses as much as digits as its factorization.

40597386902747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45976656492.

The product of its (nonzero) digits is 640120320, while the sum is 71.

The spelling of 40597386902747 in words is "forty trillion, five hundred ninety-seven billion, three hundred eighty-six million, nine hundred two thousand, seven hundred forty-seven".