25880064000 has 832 divisors, whose sum is σ = 103041469440. Its totient is φ = 5642649600.

The previous prime is 25880063969. The next prime is 25880064017. The reversal of 25880064000 is 46008852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311807959 + ... + 311808041.

It is an arithmetic number, because the mean of its divisors is an integer number (123847920).

Almost surely, 2^25880064000 is an apocalyptic number.

25880064000 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 25880064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51520734720).

25880064000 is an abundant number, since it is smaller than the sum of its proper divisors (77161405440).

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

25880064000 is an equidigital number, since it uses as much as digits as its factorization.

25880064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 25880064000 in words is "twenty-five billion, eight hundred eighty million, sixty-four thousand".