25582272880 has 20 divisors (see below), whose sum is σ = 59478784632. Its totient is φ = 10232909120.

The previous prime is 25582272857. The next prime is 25582272883. The reversal of 25582272880 is 8827228552.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25582272883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159889126 + ... + 159889285.

Almost surely, 2^25582272880 is an apocalyptic number.

25582272880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25582272880 is an abundant number, since it is smaller than the sum of its proper divisors (33896511752).

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

25582272880 is a wasteful number, since it uses less digits than its factorization.

25582272880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319778424 (or 319778418 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 25582272880 in words is "twenty-five billion, five hundred eighty-two million, two hundred seventy-two thousand, eight hundred eighty".