25492287055680 has 560 divisors, whose sum is σ = 96661626336000. Its totient is φ = 6358626054144.

The previous prime is 25492287055667. The next prime is 25492287055691. The reversal of 25492287055680 is 8655078229452.

It is a happy number.

25492287055680 is a `hidden beast` number, since 2 + 5 + 4 + 9 + 2 + 2 + 8 + 70 + 556 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38578306 + ... + 39233534.

Almost surely, 2^{25492287055680} is an apocalyptic number.

25492287055680 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 25492287055680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48330813168000).

25492287055680 is an abundant number, since it is smaller than the sum of its proper divisors (71169339280320).

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

25492287055680 is a wasteful number, since it uses less digits than its factorization.

25492287055680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655356 (or 655337 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 63.

The spelling of 25492287055680 in words is "twenty-five trillion, four hundred ninety-two billion, two hundred eighty-seven million, fifty-five thousand, six hundred eighty".