25493204352 has 512 divisors, whose sum is σ = 91646069760. Its totient is φ = 6075187200.

The previous prime is 25493204323. The next prime is 25493204383. The reversal of 25493204352 is 25340239452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25493204352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20608278 + ... + 20609514.

It is an arithmetic number, because the mean of its divisors is an integer number (178996230).

Almost surely, 2^25493204352 is an apocalyptic number.

25493204352 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 25493204352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45823034880).

25493204352 is an abundant number, since it is smaller than the sum of its proper divisors (66152865408).

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

25493204352 is a wasteful number, since it uses less digits than its factorization.

25493204352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 25493204352 in words is "twenty-five billion, four hundred ninety-three million, two hundred four thousand, three hundred fifty-two".