25894921022880 has 384 divisors, whose sum is σ = 100510455080448. Its totient is φ = 5457130831872.

The previous prime is 25894921022879. The next prime is 25894921022891. The reversal of 25894921022880 is 8822012949852.

25894921022880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 36911542 + ... + 37606538.

It is an arithmetic number, because the mean of its divisors is an integer number (261745976772).

Almost surely, 2^{25894921022880} is an apocalyptic number.

25894921022880 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 25894921022880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50255227540224).

25894921022880 is an abundant number, since it is smaller than the sum of its proper divisors (74615534057568).

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

25894921022880 is a wasteful number, since it uses less digits than its factorization.

25894921022880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695888 (or 695880 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 25894921022880 in words is "twenty-five trillion, eight hundred ninety-four billion, nine hundred twenty-one million, twenty-two thousand, eight hundred eighty".