25304887328 has 288 divisors, whose sum is σ = 64137443328. Its totient is φ = 9754214400.

The previous prime is 25304887327. The next prime is 25304887337. The reversal of 25304887328 is 82378840352.

It is not an unprimeable number, because it can be changed into a prime (25304887327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93375833 + ... + 93376103.

It is an arithmetic number, because the mean of its divisors is an integer number (222699456).

Almost surely, 2^25304887328 is an apocalyptic number.

25304887328 is a gapful number since it is divisible by the number (28) 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 25304887328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32068721664).

25304887328 is an abundant number, since it is smaller than the sum of its proper divisors (38832556000).

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

25304887328 is a wasteful number, since it uses less digits than its factorization.

25304887328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 25304887328 in words is "twenty-five billion, three hundred four million, eight hundred eighty-seven thousand, three hundred twenty-eight".