25272722304 has 128 divisors (see below), whose sum is σ = 76324723200. Its totient is φ = 8228279808.

The previous prime is 25272722287. The next prime is 25272722311. The reversal of 25272722304 is 40322727252.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 63577 + ... + 233639.

It is an arithmetic number, because the mean of its divisors is an integer number (596286900).

Almost surely, 2^25272722304 is an apocalyptic number.

25272722304 is a gapful number since it is divisible by the number (24) 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 25272722304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38162361600).

25272722304 is an abundant number, since it is smaller than the sum of its proper divisors (51052000896).

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

25272722304 is a wasteful number, since it uses less digits than its factorization.

25272722304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170129 (or 170111 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 25272722304 in words is "twenty-five billion, two hundred seventy-two million, seven hundred twenty-two thousand, three hundred four".