25902901804 has 48 divisors (see below), whose sum is σ = 49263637248. Its totient is φ = 11846253888.

The previous prime is 25902901781. The next prime is 25902901847. The reversal of 25902901804 is 40810920952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936769 + ... + 2945575.

It is an arithmetic number, because the mean of its divisors is an integer number (1026325776).

Almost surely, 2^25902901804 is an apocalyptic number.

It is an amenable number.

25902901804 is a deficient number, since it is larger than the sum of its proper divisors (23360735444).

25902901804 is a wasteful number, since it uses less digits than its factorization.

25902901804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 25902901804 in words is "twenty-five billion, nine hundred two million, nine hundred one thousand, eight hundred four".