1532564864 has 32 divisors (see below), whose sum is σ = 3135684000. Its totient is φ = 745569792.

The previous prime is 1532564837. The next prime is 1532564879. The reversal of 1532564864 is 4684652351.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157064 + ... + 166535.

It is an arithmetic number, because the mean of its divisors is an integer number (97990125).

Almost surely, 2^1532564864 is an apocalyptic number.

It is an amenable number.

1532564864 is an abundant number, since it is smaller than the sum of its proper divisors (1603119136).

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

1532564864 is an equidigital number, since it uses as much as digits as its factorization.

1532564864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323650 (or 323638 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 1532564864 is about 39147.9867170714. The cubic root of 1532564864 is about 1152.9388886546.

The spelling of 1532564864 in words is "one billion, five hundred thirty-two million, five hundred sixty-four thousand, eight hundred sixty-four".