264544064 has 28 divisors (see below), whose sum is σ = 526682208. Its totient is φ = 131836800.

The previous prime is 264544051. The next prime is 264544079. The reversal of 264544064 is 460445462.

264544064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13259 + ... + 26549.

Almost surely, 2^264544064 is an apocalyptic number.

It is an amenable number.

264544064 is a deficient number, since it is larger than the sum of its proper divisors (262138144).

264544064 is a wasteful number, since it uses less digits than its factorization.

264544064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614 (or 13604 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 264544064 is about 16264.8106044921. The cubic root of 264544064 is about 641.9472464361.

The spelling of 264544064 in words is "two hundred sixty-four million, five hundred forty-four thousand, sixty-four".