402556059936 has 36 divisors (see below), whose sum is σ = 1144768796262. Its totient is φ = 134185353216.

The previous prime is 402556059923. The next prime is 402556059973. The reversal of 402556059936 is 639950655204.

It is a happy number.

402556059936 is a `hidden beast` number, since 4 + 0 + 2 + 556 + 0 + 59 + 9 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 400886520336 + 1669539600 = 633156^2 + 40860^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698881761 + ... + 698882336.

Almost surely, 2^402556059936 is an apocalyptic number.

It is an amenable number.

402556059936 is an abundant number, since it is smaller than the sum of its proper divisors (742212736326).

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

402556059936 is a wasteful number, since it uses less digits than its factorization.

402556059936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397764113 (or 1397764102 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 402556059936 in words is "four hundred two billion, five hundred fifty-six million, fifty-nine thousand, nine hundred thirty-six".