264051855 has 24 divisors (see below), whose sum is σ = 458115840. Its totient is φ = 140696640.

The previous prime is 264051841. The next prime is 264051857. The reversal of 264051855 is 558150462.

264051855 is a `hidden beast` number, since 2 + 640 + 5 + 1 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 264051855 - 2⁴ = 264051839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264051857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64201 + ... + 68189.

It is an arithmetic number, because the mean of its divisors is an integer number (19088160).

Almost surely, 2^264051855 is an apocalyptic number.

264051855 is a deficient number, since it is larger than the sum of its proper divisors (194063985).

264051855 is a wasteful number, since it uses less digits than its factorization.

264051855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 264051855 is about 16249.6724582374. The cubic root of 264051855 is about 641.5488649395.

The spelling of 264051855 in words is "two hundred sixty-four million, fifty-one thousand, eight hundred fifty-five".