25500586432 has 112 divisors (see below), whose sum is σ = 56508274080. Its totient is φ = 11346739200.

The previous prime is 25500586421. The next prime is 25500586469. The reversal of 25500586432 is 23468500552.

It is a happy number.

It is a super-5 number, since 5×25500586432⁵ (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15730582 + ... + 15732202.

Almost surely, 2^25500586432 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 25500586432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28254137040).

25500586432 is an abundant number, since it is smaller than the sum of its proper divisors (31007687648).

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

25500586432 is a wasteful number, since it uses less digits than its factorization.

25500586432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 25500586432 in words is "twenty-five billion, five hundred million, five hundred eighty-six thousand, four hundred thirty-two".