25959706992 has 60 divisors (see below), whose sum is σ = 76474875880. Its totient is φ = 8197801344.

The previous prime is 25959706957. The next prime is 25959707017. The reversal of 25959706992 is 29960795952.

It is a super-2 number, since 2×25959706992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4741363 + ... + 4746834.

Almost surely, 2^25959706992 is an apocalyptic number.

It is an amenable number.

25959706992 is an abundant number, since it is smaller than the sum of its proper divisors (50515168888).

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

25959706992 is a wasteful number, since it uses less digits than its factorization.

25959706992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488230 (or 9488221 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 25959706992 in words is "twenty-five billion, nine hundred fifty-nine million, seven hundred six thousand, nine hundred ninety-two".