264708864 has 144 divisors (see below), whose sum is σ = 894781440. Its totient is φ = 75617280.

The previous prime is 264708859. The next prime is 264708883. The reversal of 264708864 is 468807462.

It is a tau number, because it is divible by the number of its divisors (144).

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, 45649 + ... + 51119.

It is an arithmetic number, because the mean of its divisors is an integer number (6213760).

Almost surely, 2^264708864 is an apocalyptic number.

264708864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447390720).

264708864 is an abundant number, since it is smaller than the sum of its proper divisors (630072576).

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

264708864 is an equidigital number, since it uses as much as digits as its factorization.

264708864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 264708864 is about 16269.8759675666. The cubic root of 264708864 is about 642.0805209512.

The spelling of 264708864 in words is "two hundred sixty-four million, seven hundred eight thousand, eight hundred sixty-four".