255576574764 has 72 divisors (see below), whose sum is σ = 747678364160. Its totient is φ = 72097545312.

The previous prime is 255576574681. The next prime is 255576574769. The reversal of 255576574764 is 467475675552.

255576574764 is a `hidden beast` number, since 2 + 5 + 5 + 57 + 6 + 574 + 7 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (255576574769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6399034 + ... + 6438849.

Almost surely, 2^255576574764 is an apocalyptic number.

It is an amenable number.

255576574764 is an abundant number, since it is smaller than the sum of its proper divisors (492101789396).

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

255576574764 is a wasteful number, since it uses less digits than its factorization.

255576574764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837979 (or 12837974 counting only the distinct ones).

The product of its digits is 246960000, while the sum is 63.

The spelling of 255576574764 in words is "two hundred fifty-five billion, five hundred seventy-six million, five hundred seventy-four thousand, seven hundred sixty-four".