2565242993724 has 48 divisors (see below), whose sum is σ = 6202697642400. Its totient is φ = 824164540416.

The previous prime is 2565242993707. The next prime is 2565242993737. The reversal of 2565242993724 is 4273992425652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6186889 + ... + 6588480.

It is an arithmetic number, because the mean of its divisors is an integer number (129222867550).

Almost surely, 2^{2565242993724} is an apocalyptic number.

It is an amenable number.

2565242993724 is an abundant number, since it is smaller than the sum of its proper divisors (3637454648676).

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

2565242993724 is a wasteful number, since it uses less digits than its factorization.

2565242993724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12775982 (or 12775980 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 60.

The spelling of 2565242993724 in words is "two trillion, five hundred sixty-five billion, two hundred forty-two million, nine hundred ninety-three thousand, seven hundred twenty-four".