25016608000 has 144 divisors (see below), whose sum is σ = 62599380480. Its totient is φ = 9961728000.

The previous prime is 25016607991. The next prime is 25016608027. The reversal of 25016608000 is 80661052.

It is a self number, because there is not a number n which added to its sum of digits gives 25016608000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7646365 + ... + 7649635.

It is an arithmetic number, because the mean of its divisors is an integer number (434717920).

Almost surely, 2^25016608000 is an apocalyptic number.

25016608000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25016608000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31299690240).

25016608000 is an abundant number, since it is smaller than the sum of its proper divisors (37582772480).

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

25016608000 is an equidigital number, since it uses as much as digits as its factorization.

25016608000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3517 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 25016608000 in words is "twenty-five billion, sixteen million, six hundred eight thousand".