25426490732 has 6 divisors (see below), whose sum is σ = 44496358788. Its totient is φ = 12713245364.

The previous prime is 25426490717. The next prime is 25426490779. The reversal of 25426490732 is 23709462452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178311338 + ... + 3178311345.

It is an arithmetic number, because the mean of its divisors is an integer number (7416059798).

Almost surely, 2^25426490732 is an apocalyptic number.

It is an amenable number.

25426490732 is a deficient number, since it is larger than the sum of its proper divisors (19069868056).

25426490732 is a wasteful number, since it uses less digits than its factorization.

25426490732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356622687 (or 6356622685 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 25426490732 in words is "twenty-five billion, four hundred twenty-six million, four hundred ninety thousand, seven hundred thirty-two".