25240404252 has 48 divisors (see below), whose sum is σ = 68159759360. Its totient is φ = 7120256832.

The previous prime is 25240404247. The next prime is 25240404269.

25240404252 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895143 + ... + 1908414.

Almost surely, 2^25240404252 is an apocalyptic number.

It is an amenable number.

25240404252 is an abundant number, since it is smaller than the sum of its proper divisors (42919355108).

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

25240404252 is a wasteful number, since it uses less digits than its factorization.

25240404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803650 (or 3803648 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 25240404252 in words is "twenty-five billion, two hundred forty million, four hundred four thousand, two hundred fifty-two".