504256640136 has 16 divisors (see below), whose sum is σ = 1260641600400. Its totient is φ = 168085546704.

The previous prime is 504256640119. The next prime is 504256640149. The reversal of 504256640136 is 631046652405.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 10505346646 + ... + 10505346693.

It is an arithmetic number, because the mean of its divisors is an integer number (78790100025).

Almost surely, 2^504256640136 is an apocalyptic number.

It is an amenable number.

504256640136 is an abundant number, since it is smaller than the sum of its proper divisors (756384960264).

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

504256640136 is a wasteful number, since it uses less digits than its factorization.

504256640136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010693348 (or 21010693344 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 504256640136 in words is "five hundred four billion, two hundred fifty-six million, six hundred forty thousand, one hundred thirty-six".