25630646200 has 48 divisors (see below), whose sum is σ = 59683657680. Its totient is φ = 10236360960.

The previous prime is 25630646123. The next prime is 25630646213. The reversal of 25630646200 is 264603652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30364 + ... + 228436.

It is an arithmetic number, because the mean of its divisors is an integer number (1243409535).

Almost surely, 2^25630646200 is an apocalyptic number.

25630646200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25630646200 is an abundant number, since it is smaller than the sum of its proper divisors (34053011480).

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

25630646200 is a wasteful number, since it uses less digits than its factorization.

25630646200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198736 (or 198727 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 25630646200 in words is "twenty-five billion, six hundred thirty million, six hundred forty-six thousand, two hundred".