25896618232384 has 21 divisors (see below), whose sum is σ = 51388682590857. Its totient is φ = 12948288760704.

The previous prime is 25896618232367. The next prime is 25896618232409. The reversal of 25896618232384 is 48323281669852.

The square root of 25896618232384 is 5088872.

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

It can be written as a sum of positive squares in only one way, i.e., 25750266078784 + 146352153600 = 5074472^2 + 382560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 40392922 + ... + 41029030.

Almost surely, 2^{25896618232384} is an apocalyptic number.

25896618232384 is the 5088872-nd square number.

It is an amenable number.

25896618232384 is a deficient number, since it is larger than the sum of its proper divisors (25492064358473).

25896618232384 is an frugal number, since it uses more digits than its factorization.

25896618232384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272230 (or 636111 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 67.

The spelling of 25896618232384 in words is "twenty-five trillion, eight hundred ninety-six billion, six hundred eighteen million, two hundred thirty-two thousand, three hundred eighty-four".