2565140256364 has 24 divisors (see below), whose sum is σ = 5140561664000. Its totient is φ = 1097142720336.

The previous prime is 2565140256293. The next prime is 2565140256401. The reversal of 2565140256364 is 4636520415652.

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, 91781772 + ... + 91809715.

Almost surely, 2^{2565140256364} is an apocalyptic number.

It is an amenable number.

2565140256364 is an abundant number, since it is smaller than the sum of its proper divisors (2575421407636).

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

2565140256364 is a wasteful number, since it uses less digits than its factorization.

2565140256364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183591997 (or 183591995 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 2565140256364 in words is "two trillion, five hundred sixty-five billion, one hundred forty million, two hundred fifty-six thousand, three hundred sixty-four".