25632155400 has 48 divisors (see below), whose sum is σ = 79459683600. Its totient is φ = 6835241280.

The previous prime is 25632155363. The next prime is 25632155453. The reversal of 25632155400 is 455123652.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21359530 + ... + 21360729.

It is an arithmetic number, because the mean of its divisors is an integer number (1655410075).

Almost surely, 2^25632155400 is an apocalyptic number.

25632155400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25632155400 is an abundant number, since it is smaller than the sum of its proper divisors (53827528200).

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

25632155400 is a wasteful number, since it uses less digits than its factorization.

25632155400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42720278 (or 42720269 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 25632155400 in words is "twenty-five billion, six hundred thirty-two million, one hundred fifty-five thousand, four hundred".