264539328 has 112 divisors (see below), whose sum is σ = 719267040. Its totient is φ = 85786624.

The previous prime is 264539309. The next prime is 264539357. The reversal of 264539328 is 823935462.

It is a self number, because there is not a number n which added to its sum of digits gives 264539328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930876 + ... + 1931012.

Almost surely, 2^264539328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264539328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359633520).

264539328 is an abundant number, since it is smaller than the sum of its proper divisors (454727712).

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

264539328 is a wasteful number, since it uses less digits than its factorization.

264539328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 344 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 264539328 is about 16264.6650134579. The cubic root of 264539328 is about 641.9434155931.

It can be divided in two parts, 26 and 4539328, that added together give a palindrome (4539354).

The spelling of 264539328 in words is "two hundred sixty-four million, five hundred thirty-nine thousand, three hundred twenty-eight".