25850880000 has 1120 divisors, whose sum is σ = 110549862720. Its totient is φ = 5898240000.

The previous prime is 25850879993. The next prime is 25850880001. The reversal of 25850880000 is 8805852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25850880001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1520639992 + ... + 1520640008.

Almost surely, 2^25850880000 is an apocalyptic number.

25850880000 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 25850880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55274931360).

25850880000 is an abundant number, since it is smaller than the sum of its proper divisors (84698982720).

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

25850880000 is an equidigital number, since it uses as much as digits as its factorization.

25850880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 25850880000 in words is "twenty-five billion, eight hundred fifty million, eight hundred eighty thousand".