25956659204 has 24 divisors (see below), whose sum is σ = 52231814208. Its totient is φ = 11056033440.

The previous prime is 25956659153. The next prime is 25956659207. The reversal of 25956659204 is 40295665952.

It is not an unprimeable number, because it can be changed into a prime (25956659207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2839067 + ... + 2848194.

It is an arithmetic number, because the mean of its divisors is an integer number (2176325592).

Almost surely, 2^25956659204 is an apocalyptic number.

It is an amenable number.

25956659204 is an abundant number, since it is smaller than the sum of its proper divisors (26275155004).

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

25956659204 is a wasteful number, since it uses less digits than its factorization.

25956659204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687435 (or 5687433 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 25956659204 in words is "twenty-five billion, nine hundred fifty-six million, six hundred fifty-nine thousand, two hundred four".