40402033405056 has 96 divisors (see below), whose sum is σ = 116429312410320. Its totient is φ = 13447854558720.

The previous prime is 40402033405007. The next prime is 40402033405057. The reversal of 40402033405056 is 65050433020404.

40402033405056 is a `hidden beast` number, since 4 + 0 + 40 + 203 + 3 + 405 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40402033405056.

It is not an unprimeable number, because it can be changed into a prime (40402033405057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24581110 + ... + 26173173.

Almost surely, 2^{40402033405056} is an apocalyptic number.

It is an amenable number.

40402033405056 is an abundant number, since it is smaller than the sum of its proper divisors (76027279005264).

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

40402033405056 is a wasteful number, since it uses less digits than its factorization.

40402033405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50754994 (or 50754979 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40402033405056 in words is "forty trillion, four hundred two billion, thirty-three million, four hundred five thousand, fifty-six".