25296023438 has 32 divisors (see below), whose sum is σ = 45672989184. Its totient is φ = 10272870432.

The previous prime is 25296023399. The next prime is 25296023471. The reversal of 25296023438 is 83432069252.

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, 332645 + ... + 401552.

It is an arithmetic number, because the mean of its divisors is an integer number (1427280912).

Almost surely, 2^25296023438 is an apocalyptic number.

25296023438 is a deficient number, since it is larger than the sum of its proper divisors (20376965746).

25296023438 is a wasteful number, since it uses less digits than its factorization.

25296023438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734336.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 25296023438 in words is "twenty-five billion, two hundred ninety-six million, twenty-three thousand, four hundred thirty-eight".