25595975268 has 96 divisors (see below), whose sum is σ = 70652574720. Its totient is φ = 7985640960.

The previous prime is 25595975263. The next prime is 25595975287. The reversal of 25595975268 is 86257959552.

25595975268 is a `hidden beast` number, since 2 + 5 + 59 + 59 + 7 + 526 + 8 = 666.

It is a super-3 number, since 3×25595975268³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25595975263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293805 + ... + 370827.

It is an arithmetic number, because the mean of its divisors is an integer number (735964320).

Almost surely, 2^25595975268 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 25595975268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35326287360).

25595975268 is an abundant number, since it is smaller than the sum of its proper divisors (45056599452).

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

25595975268 is a wasteful number, since it uses less digits than its factorization.

25595975268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77234 (or 77226 counting only the distinct ones).

The product of its digits is 68040000, while the sum is 63.

The spelling of 25595975268 in words is "twenty-five billion, five hundred ninety-five million, nine hundred seventy-five thousand, two hundred sixty-eight".