25433890804 has 18 divisors (see below), whose sum is σ = 51776135250. Its totient is φ = 10900238832.

The previous prime is 25433890763. The next prime is 25433890817. The reversal of 25433890804 is 40809833452.

It can be written as a sum of positive squares in only one way, i.e., 20371852900 + 5062037904 = 142730^2 + 71148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64882179 + ... + 64882570.

Almost surely, 2^25433890804 is an apocalyptic number.

It is an amenable number.

25433890804 is an abundant number, since it is smaller than the sum of its proper divisors (26342244446).

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

25433890804 is a wasteful number, since it uses less digits than its factorization.

25433890804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129764767 (or 129764758 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 25433890804 in words is "twenty-five billion, four hundred thirty-three million, eight hundred ninety thousand, eight hundred four".