25057858560 has 352 divisors, whose sum is σ = 96990462720. Its totient is φ = 5390204928.

The previous prime is 25057858547. The next prime is 25057858619. The reversal of 25057858560 is 6585875052.

It is a super-2 number, since 2×25057858560² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

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, 1820986 + ... + 1834694.

Almost surely, 2^25057858560 is an apocalyptic number.

25057858560 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 25057858560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48495231360).

25057858560 is an abundant number, since it is smaller than the sum of its proper divisors (71932604160).

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

25057858560 is a wasteful number, since it uses less digits than its factorization.

25057858560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 25057858560 in words is "twenty-five billion, fifty-seven million, eight hundred fifty-eight thousand, five hundred sixty".