264516255 has 12 divisors (see below), whose sum is σ = 458494920. Its totient is φ = 141075312.

The previous prime is 264516247. The next prime is 264516281. The reversal of 264516255 is 552615462.

264516255 is a `hidden beast` number, since 2 + 645 + 1 + 6 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 264516255 - 2³ = 264516247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2939025 + ... + 2939114.

It is an arithmetic number, because the mean of its divisors is an integer number (38207910).

Almost surely, 2^264516255 is an apocalyptic number.

264516255 is a deficient number, since it is larger than the sum of its proper divisors (193978665).

264516255 is a wasteful number, since it uses less digits than its factorization.

264516255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878150 (or 5878147 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 264516255 is about 16263.9556996445. The cubic root of 264516255 is about 641.9247517128.

The spelling of 264516255 in words is "two hundred sixty-four million, five hundred sixteen thousand, two hundred fifty-five".