264701568 has 64 divisors (see below), whose sum is σ = 707594400. Its totient is φ = 87671808.

The previous prime is 264701551. The next prime is 264701573. The reversal of 264701568 is 865107462.

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

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, 60478 + ... + 64706.

Almost surely, 2^264701568 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 264701568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353797200).

264701568 is an abundant number, since it is smaller than the sum of its proper divisors (442892832).

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

264701568 is a wasteful number, since it uses less digits than its factorization.

264701568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 264701568 is about 16269.6517479631. The cubic root of 264701568 is about 642.0746218130.

The spelling of 264701568 in words is "two hundred sixty-four million, seven hundred one thousand, five hundred sixty-eight".