255217027504 has 20 divisors (see below), whose sum is σ = 498257674200. Its totient is φ = 126634401920.

The previous prime is 255217027501. The next prime is 255217027567. The reversal of 255217027504 is 405720712552.

It is a super-2 number, since 2×255217027504² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255217027501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60879829 + ... + 60884020.

It is an arithmetic number, because the mean of its divisors is an integer number (24912883710).

Almost surely, 2^255217027504 is an apocalyptic number.

It is an amenable number.

255217027504 is a deficient number, since it is larger than the sum of its proper divisors (243040646696).

255217027504 is a wasteful number, since it uses less digits than its factorization.

255217027504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121763988 (or 121763982 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 255217027504 in words is "two hundred fifty-five billion, two hundred seventeen million, twenty-seven thousand, five hundred four".