25996830012 has 24 divisors (see below), whose sum is σ = 67399189200. Its totient is φ = 8665609968.

The previous prime is 25996829941. The next prime is 25996830019. The reversal of 25996830012 is 21003869952.

25996830012 is a `hidden beast` number, since 259 + 96 + 8 + 300 + 1 + 2 = 666.

It is a super-3 number, since 3×25996830012³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25996830012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25996830019) 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, 120355587 + ... + 120355802.

It is an arithmetic number, because the mean of its divisors is an integer number (2808299550).

Almost surely, 2^25996830012 is an apocalyptic number.

It is an amenable number.

25996830012 is an abundant number, since it is smaller than the sum of its proper divisors (41402359188).

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

25996830012 is a wasteful number, since it uses less digits than its factorization.

25996830012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240711402 (or 240711394 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 25996830012 in words is "twenty-five billion, nine hundred ninety-six million, eight hundred thirty thousand, twelve".