264531855 has 32 divisors (see below), whose sum is σ = 504751104. Its totient is φ = 115670016.

The previous prime is 264531847. The next prime is 264531863. The reversal of 264531855 is 558135462.

It is an interprime number because it is at equal distance from previous prime (264531847) and next prime (264531863).

It is not a de Polignac number, because 264531855 - 2³ = 264531847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52354 + ... + 57183.

It is an arithmetic number, because the mean of its divisors is an integer number (15773472).

Almost surely, 2^264531855 is an apocalyptic number.

264531855 is a deficient number, since it is larger than the sum of its proper divisors (240219249).

264531855 is a wasteful number, since it uses less digits than its factorization.

264531855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109575.

The product of its digits is 144000, while the sum is 39.

The square root of 264531855 is about 16264.4352806976. The cubic root of 264531855 is about 641.9373707599.

The spelling of 264531855 in words is "two hundred sixty-four million, five hundred thirty-one thousand, eight hundred fifty-five".