25398312507344 has 20 divisors (see below), whose sum is σ = 56239120552224. Its totient is φ = 10884991074528.

The previous prime is 25398312507313. The next prime is 25398312507361. The reversal of 25398312507344 is 44370521389352.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 25398312507344.

It is a congruent number.

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, 113385323582 + ... + 113385323805.

Almost surely, 2^{25398312507344} is an apocalyptic number.

It is an amenable number.

25398312507344 is an abundant number, since it is smaller than the sum of its proper divisors (30840808044880).

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

25398312507344 is a wasteful number, since it uses less digits than its factorization.

25398312507344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226770647402 (or 226770647396 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 25398312507344 in words is "twenty-five trillion, three hundred ninety-eight billion, three hundred twelve million, five hundred seven thousand, three hundred forty-four".