25899266976 has 48 divisors (see below), whose sum is σ = 74166085728. Its totient is φ = 7848262400.

The previous prime is 25899266971. The next prime is 25899267059. The reversal of 25899266976 is 67966299852.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 25899266976.

It is not an unprimeable number, because it can be changed into a prime (25899266971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12261855 + ... + 12263966.

It is an arithmetic number, because the mean of its divisors is an integer number (1545126786).

Almost surely, 2^25899266976 is an apocalyptic number.

It is an amenable number.

25899266976 is an abundant number, since it is smaller than the sum of its proper divisors (48266818752).

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

25899266976 is a wasteful number, since it uses less digits than its factorization.

25899266976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24525845 (or 24525837 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 69.

The spelling of 25899266976 in words is "twenty-five billion, eight hundred ninety-nine million, two hundred sixty-six thousand, nine hundred seventy-six".