25860444368 has 20 divisors (see below), whose sum is σ = 54659575968. Its totient is φ = 11754747360.

The previous prime is 25860444349. The next prime is 25860444397. The reversal of 25860444368 is 86344406852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73466996 + ... + 73467347.

Almost surely, 2^25860444368 is an apocalyptic number.

It is an amenable number.

25860444368 is an abundant number, since it is smaller than the sum of its proper divisors (28799131600).

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

25860444368 is a wasteful number, since it uses less digits than its factorization.

25860444368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146934362 (or 146934356 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 25860444368 in words is "twenty-five billion, eight hundred sixty million, four hundred forty-four thousand, three hundred sixty-eight".