25607040484 has 81 divisors (see below), whose sum is σ = 48501165531. Its totient is φ = 11828826240.

The previous prime is 25607040461. The next prime is 25607040491. The reversal of 25607040484 is 48404070652.

It is a happy number.

The square root of 25607040484 is 160022.

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 2344690084 + 23262350400 = 48422^2 + 152520^2 .

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, 287719512 + ... + 287719600.

Almost surely, 2^25607040484 is an apocalyptic number.

25607040484 is the 160022-nd square number.

It is an amenable number.

25607040484 is a deficient number, since it is larger than the sum of its proper divisors (22894125047).

25607040484 is an equidigital number, since it uses as much as digits as its factorization.

25607040484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 25607040484 in words is "twenty-five billion, six hundred seven million, forty thousand, four hundred eighty-four".