264738464 has 48 divisors (see below), whose sum is σ = 546642432. Its totient is φ = 125968128.

The previous prime is 264738443. The next prime is 264738479. The reversal of 264738464 is 464837462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163322 + ... + 164934.

It is an arithmetic number, because the mean of its divisors is an integer number (11388384).

Almost surely, 2^264738464 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 264738464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273321216).

264738464 is an abundant number, since it is smaller than the sum of its proper divisors (281903968).

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

264738464 is a wasteful number, since it uses less digits than its factorization.

264738464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1861 counting only the distinct ones).

The product of its digits is 774144, while the sum is 44.

The square root of 264738464 is about 16270.7855987349. The cubic root of 264738464 is about 642.1044527465.

The spelling of 264738464 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, four hundred sixty-four".