25204532430 has 64 divisors (see below), whose sum is σ = 75417205248. Its totient is φ = 5237304960.

The previous prime is 25204532387. The next prime is 25204532453. The reversal of 25204532430 is 3423540252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5453217 + ... + 5457836.

It is an arithmetic number, because the mean of its divisors is an integer number (1178393832).

Almost surely, 2^25204532430 is an apocalyptic number.

25204532430 is an abundant number, since it is smaller than the sum of its proper divisors (50212672818).

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

25204532430 is a wasteful number, since it uses less digits than its factorization.

25204532430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10911081.

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 25204532430 in words is "twenty-five billion, two hundred four million, five hundred thirty-two thousand, four hundred thirty".