40425253517717 has 4 divisors (see below), whose sum is σ = 40425311480160. Its totient is φ = 40425195555276.

The previous prime is 40425253517707. The next prime is 40425253517813. The reversal of 40425253517717 is 71771535252404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40425253517717 - 2²⁰ = 40425252469141 is a prime.

It is a super-2 number, since 2×40425253517717² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425253517707) 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, 27922163 + ... + 29334240.

It is an arithmetic number, because the mean of its divisors is an integer number (10106327870040).

Almost surely, 2^{40425253517717} is an apocalyptic number.

It is an amenable number.

40425253517717 is a deficient number, since it is larger than the sum of its proper divisors (57962443).

40425253517717 is an equidigital number, since it uses as much as digits as its factorization.

40425253517717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57962442.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 40425253517717 in words is "forty trillion, four hundred twenty-five billion, two hundred fifty-three million, five hundred seventeen thousand, seven hundred seventeen".