25395068160 has 720 divisors, whose sum is σ = 113325835392. Its totient is φ = 5275238400.

The previous prime is 25395068143. The next prime is 25395068201. The reversal of 25395068160 is 6186059352.

25395068160 is a `hidden beast` number, since 2 + 5 + 3 + 9 + 506 + 81 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 7981770 + ... + 7984950.

Almost surely, 2^25395068160 is an apocalyptic number.

25395068160 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 25395068160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56662917696).

25395068160 is an abundant number, since it is smaller than the sum of its proper divisors (87930767232).

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

25395068160 is a wasteful number, since it uses less digits than its factorization.

25395068160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 25395068160 in words is "twenty-five billion, three hundred ninety-five million, sixty-eight thousand, one hundred sixty".