25952865696 has 192 divisors, whose sum is σ = 78711091200. Its totient is φ = 8310470400.

The previous prime is 25952865691. The next prime is 25952865709. The reversal of 25952865696 is 69656825952.

25952865696 is a `hidden beast` number, since 2 + 59 + 528 + 6 + 56 + 9 + 6 = 666.

It is a super-2 number, since 2×25952865696² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25952865691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3719491 + ... + 3726461.

It is an arithmetic number, because the mean of its divisors is an integer number (409953600).

Almost surely, 2^25952865696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25952865696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39355545600).

25952865696 is an abundant number, since it is smaller than the sum of its proper divisors (52758225504).

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

25952865696 is a wasteful number, since it uses less digits than its factorization.

25952865696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7146 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 63.

The spelling of 25952865696 in words is "twenty-five billion, nine hundred fifty-two million, eight hundred sixty-five thousand, six hundred ninety-six".