25704383320 has 384 divisors, whose sum is σ = 77665190400. Its totient is φ = 7472424960.

The previous prime is 25704383317. The next prime is 25704383357. The reversal of 25704383320 is 2338340752.

It is a super-2 number, since 2×25704383320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25704383320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46991287 + ... + 46991833.

It is an arithmetic number, because the mean of its divisors is an integer number (202253100).

Almost surely, 2^25704383320 is an apocalyptic number.

25704383320 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 25704383320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38832595200).

25704383320 is an abundant number, since it is smaller than the sum of its proper divisors (51960807080).

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

25704383320 is a wasteful number, since it uses less digits than its factorization.

25704383320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 25704383320 in words is "twenty-five billion, seven hundred four million, three hundred eighty-three thousand, three hundred twenty".