2560320544 has 24 divisors (see below), whose sum is σ = 5071565520. Its totient is φ = 1272303936.

The previous prime is 2560320533. The next prime is 2560320569. The reversal of 2560320544 is 4450230652.

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, 240214 + ... + 250645.

It is an arithmetic number, because the mean of its divisors is an integer number (211315230).

Almost surely, 2^2560320544 is an apocalyptic number.

It is an amenable number.

2560320544 is a deficient number, since it is larger than the sum of its proper divisors (2511244976).

2560320544 is a wasteful number, since it uses less digits than its factorization.

2560320544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491032 (or 491024 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2560320544 is about 50599.6101170750. The cubic root of 2560320544 is about 1368.0378510553.

The spelling of 2560320544 in words is "two billion, five hundred sixty million, three hundred twenty thousand, five hundred forty-four".