25857375360 has 256 divisors, whose sum is σ = 88179114240. Its totient is φ = 6422003712.

The previous prime is 25857375289. The next prime is 25857375419. The reversal of 25857375360 is 6357375852.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3161997 + ... + 3170163.

It is an arithmetic number, because the mean of its divisors is an integer number (344449665).

Almost surely, 2^25857375360 is an apocalyptic number.

25857375360 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 25857375360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44089557120).

25857375360 is an abundant number, since it is smaller than the sum of its proper divisors (62321738880).

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

25857375360 is a wasteful number, since it uses less digits than its factorization.

25857375360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303 (or 8291 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 25857375360 in words is "twenty-five billion, eight hundred fifty-seven million, three hundred seventy-five thousand, three hundred sixty".