25397595360 has 480 divisors, whose sum is σ = 91977288480. Its totient is φ = 6598361088.

The previous prime is 25397595359. The next prime is 25397595373. The reversal of 25397595360 is 6359579352.

25397595360 is a `hidden beast` number, since 2 + 5 + 39 + 75 + 9 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 25397595297 and 25397595306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111883567 + ... + 111883793.

It is an arithmetic number, because the mean of its divisors is an integer number (191619351).

Almost surely, 2^25397595360 is an apocalyptic number.

25397595360 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 25397595360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45988644240).

25397595360 is an abundant number, since it is smaller than the sum of its proper divisors (66579693120).

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

25397595360 is a wasteful number, since it uses less digits than its factorization.

25397595360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 54.

The spelling of 25397595360 in words is "twenty-five billion, three hundred ninety-seven million, five hundred ninety-five thousand, three hundred sixty".