25601800896 has 560 divisors, whose sum is σ = 93895566336. Its totient is φ = 6730407936.

The previous prime is 25601800823. The next prime is 25601800901. The reversal of 25601800896 is 69800810652.

25601800896 is a `hidden beast` number, since 2 + 560 + 1 + 8 + 0 + 0 + 89 + 6 = 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, 28993671 + ... + 28994553.

Almost surely, 2^25601800896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25601800896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46947783168).

25601800896 is an abundant number, since it is smaller than the sum of its proper divisors (68293765440).

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

25601800896 is a wasteful number, since it uses less digits than its factorization.

25601800896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 25601800896 in words is "twenty-five billion, six hundred one million, eight hundred thousand, eight hundred ninety-six".