25224481670404 has 81 divisors (see below), whose sum is σ = 45317844407199. Its totient is φ = 12285187299840.

The previous prime is 25224481670387. The next prime is 25224481670447. The reversal of 25224481670404 is 40407618442252.

The square root of 25224481670404 is 5022398.

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

It can be written as a sum of positive squares in 4 ways, for example, as 24096297804804 + 1128183865600 = 4908798^2 + 1062160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80589398152 + ... + 80589398464.

Almost surely, 2^{25224481670404} is an apocalyptic number.

25224481670404 is the 5022398-th square number.

It is an amenable number.

25224481670404 is a deficient number, since it is larger than the sum of its proper divisors (20093362736795).

25224481670404 is an frugal number, since it uses more digits than its factorization.

25224481670404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 25224481670404 in words is "twenty-five trillion, two hundred twenty-four billion, four hundred eighty-one million, six hundred seventy thousand, four hundred four".