25612326400 has 60 divisors (see below), whose sum is σ = 63456571332. Its totient is φ = 10244925440.

The previous prime is 25612326379. The next prime is 25612326413. The reversal of 25612326400 is 462321652.

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, 987682 + ... + 1013281.

Almost surely, 2^25612326400 is an apocalyptic number.

25612326400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25612326400 is an abundant number, since it is smaller than the sum of its proper divisors (37844244932).

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

25612326400 is an equidigital number, since it uses as much as digits as its factorization.

25612326400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000991 (or 2000970 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 25612326400 in words is "twenty-five billion, six hundred twelve million, three hundred twenty-six thousand, four hundred".