40288057536 has 28 divisors (see below), whose sum is σ = 106595486072. Its totient is φ = 13429352448.

The previous prime is 40288057517. The next prime is 40288057561. The reversal of 40288057536 is 63575088204.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104916625 + ... + 104917008.

Almost surely, 2^40288057536 is an apocalyptic number.

It is an amenable number.

40288057536 is an abundant number, since it is smaller than the sum of its proper divisors (66307428536).

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

40288057536 is a wasteful number, since it uses less digits than its factorization.

40288057536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209833648 (or 209833638 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 40288057536 in words is "forty billion, two hundred eighty-eight million, fifty-seven thousand, five hundred thirty-six".