25188232988944 has 45 divisors (see below), whose sum is σ = 49965242537943. Its totient is φ = 12300808486176.

The previous prime is 25188232988921. The next prime is 25188232988953. The reversal of 25188232988944 is 44988923288152.

The square root of 25188232988944 is 5018788.

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

It is a super-2 number, since 2×25188232988944² (a number of 28 digits) contains 22 as substring.

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, 863216947 + ... + 863246125.

Almost surely, 2^{25188232988944} is an apocalyptic number.

25188232988944 is the 5018788-th square number.

It is an amenable number.

25188232988944 is a deficient number, since it is larger than the sum of its proper divisors (24777009548999).

25188232988944 is an frugal number, since it uses more digits than its factorization.

25188232988944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58452 (or 29224 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 73.

The spelling of 25188232988944 in words is "twenty-five trillion, one hundred eighty-eight billion, two hundred thirty-two million, nine hundred eighty-eight thousand, nine hundred forty-four".