25593765472 has 192 divisors, whose sum is σ = 61595251200. Its totient is φ = 10317127680.

The previous prime is 25593765419. The next prime is 25593765481. The reversal of 25593765472 is 27456739552.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 26035893 + ... + 26036875.

It is an arithmetic number, because the mean of its divisors is an integer number (320808600).

Almost surely, 2^25593765472 is an apocalyptic number.

25593765472 is a gapful number since it is divisible by the number (22) 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 25593765472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30797625600).

25593765472 is an abundant number, since it is smaller than the sum of its proper divisors (36001485728).

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

25593765472 is a wasteful number, since it uses less digits than its factorization.

25593765472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1261 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 55.

The spelling of 25593765472 in words is "twenty-five billion, five hundred ninety-three million, seven hundred sixty-five thousand, four hundred seventy-two".