25843182620880 has 160 divisors (see below), whose sum is σ = 80666483264640. Its totient is φ = 6844082411520.

The previous prime is 25843182620803. The next prime is 25843182620891. The reversal of 25843182620880 is 8802628134852.

It is a self number, because there is not a number n which added to its sum of digits gives 25843182620880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31435711 + ... + 32247329.

It is an arithmetic number, because the mean of its divisors is an integer number (504165520404).

Almost surely, 2^{25843182620880} is an apocalyptic number.

25843182620880 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 25843182620880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40333241632320).

25843182620880 is an abundant number, since it is smaller than the sum of its proper divisors (54823300643760).

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

25843182620880 is a wasteful number, since it uses less digits than its factorization.

25843182620880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812549 (or 812543 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 25843182620880 in words is "twenty-five trillion, eight hundred forty-three billion, one hundred eighty-two million, six hundred twenty thousand, eight hundred eighty".