23525525280 has 96 divisors (see below), whose sum is σ = 74478096000. Its totient is φ = 6241923072.

The previous prime is 23525525251. The next prime is 23525525299. The reversal of 23525525280 is 8252552532.

It is a tau number, because it is divible by the number of its divisors (96).

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, 27625 + ... + 218664.

It is an arithmetic number, because the mean of its divisors is an integer number (775813500).

Almost surely, 2^23525525280 is an apocalyptic number.

23525525280 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 23525525280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37239048000).

23525525280 is an abundant number, since it is smaller than the sum of its proper divisors (50952570720).

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

23525525280 is a wasteful number, since it uses less digits than its factorization.

23525525280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246506 (or 246498 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 23525525280 in words is "twenty-three billion, five hundred twenty-five million, five hundred twenty-five thousand, two hundred eighty".