264511872 has 64 divisors (see below), whose sum is σ = 780687600. Its totient is φ = 88169472.

The previous prime is 264511867. The next prime is 264511879. The reversal of 264511872 is 278115462.

264511872 is a `hidden beast` number, since 2 + 64 + 511 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264511879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34813 + ... + 41724.

Almost surely, 2^264511872 is an apocalyptic number.

It is an amenable number.

264511872 is an abundant number, since it is smaller than the sum of its proper divisors (516175728).

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

264511872 is an equidigital number, since it uses as much as digits as its factorization.

264511872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76560 (or 76542 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 264511872 is about 16263.8209532693. The cubic root of 264511872 is about 641.9212061566.

The spelling of 264511872 in words is "two hundred sixty-four million, five hundred eleven thousand, eight hundred seventy-two".