25605760324 has 27 divisors (see below), whose sum is σ = 47303866911. Its totient is φ = 12126164040.

The previous prime is 25605760307. The next prime is 25605760373. The reversal of 25605760324 is 42306750652.

The square root of 25605760324 is 160018.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6078579 + ... + 6082789.

Almost surely, 2^25605760324 is an apocalyptic number.

25605760324 is the 160018-th square number.

It is an amenable number.

25605760324 is a deficient number, since it is larger than the sum of its proper divisors (21698106587).

25605760324 is an frugal number, since it uses more digits than its factorization.

25605760324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 25605760324 in words is "twenty-five billion, six hundred five million, seven hundred sixty thousand, three hundred twenty-four".