25630800000 has 768 divisors, whose sum is σ = 96383831040. Its totient is φ = 5990400000.

The previous prime is 25630799959. The next prime is 25630800017. The reversal of 25630800000 is 803652.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 483599974 + ... + 483600026.

It is an arithmetic number, because the mean of its divisors is an integer number (125499780).

Almost surely, 2^25630800000 is an apocalyptic number.

25630800000 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 25630800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48191915520).

25630800000 is an abundant number, since it is smaller than the sum of its proper divisors (70753031040).

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

25630800000 is an equidigital number, since it uses as much as digits as its factorization.

25630800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 25630800000 in words is "twenty-five billion, six hundred thirty million, eight hundred thousand".