25472452608 has 72 divisors (see below), whose sum is σ = 73569172950. Its totient is φ = 8490811392.

The previous prime is 25472452567. The next prime is 25472452609. The reversal of 25472452608 is 80625427452.

25472452608 is a `hidden beast` number, since 2 + 54 + 72 + 4 + 526 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18766808064 + 6705644544 = 136992^2 + 81888^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (25472452609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672553 + ... + 709416.

Almost surely, 2^25472452608 is an apocalyptic number.

It is an amenable number.

25472452608 is an abundant number, since it is smaller than the sum of its proper divisors (48096720342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25472452608 is a wasteful number, since it uses less digits than its factorization.

25472452608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381997 (or 1381974 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 25472452608 in words is "twenty-five billion, four hundred seventy-two million, four hundred fifty-two thousand, six hundred eight".