40455706457816 has 32 divisors (see below), whose sum is σ = 81810071234640. Its totient is φ = 18644284184448.

The previous prime is 40455706457797. The next prime is 40455706457827. The reversal of 40455706457816 is 61875460755404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287224406 + ... + 287365221.

Almost surely, 2^{40455706457816} is an apocalyptic number.

It is an amenable number.

40455706457816 is an abundant number, since it is smaller than the sum of its proper divisors (41354364776824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40455706457816 is a wasteful number, since it uses less digits than its factorization.

40455706457816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574590323 (or 574590319 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 62.

The spelling of 40455706457816 in words is "forty trillion, four hundred fifty-five billion, seven hundred six million, four hundred fifty-seven thousand, eight hundred sixteen".