636116245404 has 24 divisors (see below), whose sum is σ = 1532150957568. Its totient is φ = 205198788720.

The previous prime is 636116245393. The next prime is 636116245411. The reversal of 636116245404 is 404542611636.

It is a super-2 number, since 2×636116245404² (a number of 24 digits) contains 22 as substring.

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, 854994582 + ... + 854995325.

It is an arithmetic number, because the mean of its divisors is an integer number (63839623232).

Almost surely, 2^636116245404 is an apocalyptic number.

It is an amenable number.

636116245404 is an abundant number, since it is smaller than the sum of its proper divisors (896034712164).

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

636116245404 is a wasteful number, since it uses less digits than its factorization.

636116245404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709989945 (or 1709989943 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 636116245404 in words is "six hundred thirty-six billion, one hundred sixteen million, two hundred forty-five thousand, four hundred four".