2560645132 has 24 divisors (see below), whose sum is σ = 4646496960. Its totient is φ = 1233281280.

The previous prime is 2560645123. The next prime is 2560645159. The reversal of 2560645132 is 2315460652.

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, 24388 + ... + 75604.

It is an arithmetic number, because the mean of its divisors is an integer number (193604040).

Almost surely, 2^2560645132 is an apocalyptic number.

It is an amenable number.

2560645132 is a deficient number, since it is larger than the sum of its proper divisors (2085851828).

2560645132 is a wasteful number, since it uses less digits than its factorization.

2560645132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51681 (or 51679 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2560645132 is about 50602.8174314435. The cubic root of 2560645132 is about 1368.0956602110.

The spelling of 2560645132 in words is "two billion, five hundred sixty million, six hundred forty-five thousand, one hundred thirty-two".