636574400088 has 64 divisors (see below), whose sum is σ = 1776486729600. Its totient is φ = 188415252480.

The previous prime is 636574400081. The next prime is 636574400117. The reversal of 636574400088 is 880004475636.

636574400088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 636574400088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636574400081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28026633 + ... + 28049336.

It is an arithmetic number, because the mean of its divisors is an integer number (27757605150).

Almost surely, 2^636574400088 is an apocalyptic number.

It is an amenable number.

636574400088 is an abundant number, since it is smaller than the sum of its proper divisors (1139912329512).

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

636574400088 is a wasteful number, since it uses less digits than its factorization.

636574400088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56076032 (or 56076028 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 636574400088 in words is "six hundred thirty-six billion, five hundred seventy-four million, four hundred thousand, eighty-eight".