2565024656 has 40 divisors (see below), whose sum is σ = 5032844544. Its totient is φ = 1266301440.

The previous prime is 2565024611. The next prime is 2565024659. The reversal of 2565024656 is 6564205652.

It is not an unprimeable number, because it can be changed into a prime (2565024659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602696 + ... + 606936.

Almost surely, 2^2565024656 is an apocalyptic number.

It is an amenable number.

2565024656 is a deficient number, since it is larger than the sum of its proper divisors (2467819888).

2565024656 is a wasteful number, since it uses less digits than its factorization.

2565024656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 2565024656 is about 50646.0724637163. The cubic root of 2565024656 is about 1368.8751766811.

The spelling of 2565024656 in words is "two billion, five hundred sixty-five million, twenty-four thousand, six hundred fifty-six".