25813790604 has 72 divisors (see below), whose sum is σ = 74590483968. Its totient is φ = 7373656800.

The previous prime is 25813790581. The next prime is 25813790617. The reversal of 25813790604 is 40609731852.

25813790604 is a `hidden beast` number, since 2 + 5 + 8 + 1 + 37 + 9 + 0 + 604 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25813790604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1414989 + ... + 1433115.

It is an arithmetic number, because the mean of its divisors is an integer number (1035978944).

It is a 1-persistent number, because it is pandigital, but 2⋅25813790604 = 51627581208 is not.

Almost surely, 2^25813790604 is an apocalyptic number.

It is an amenable number.

25813790604 is an abundant number, since it is smaller than the sum of its proper divisors (48776693364).

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

25813790604 is a wasteful number, since it uses less digits than its factorization.

25813790604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795 (or 23790 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 25813790604 in words is "twenty-five billion, eight hundred thirteen million, seven hundred ninety thousand, six hundred four".