265906943268 has 24 divisors (see below), whose sum is σ = 620556984768. Its totient is φ = 88620297696.

The previous prime is 265906943219. The next prime is 265906943297. The reversal of 265906943268 is 862349609562.

It is a happy number.

265906943268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846471 + ... + 1985262.

It is an arithmetic number, because the mean of its divisors is an integer number (25856541032).

Almost surely, 2^265906943268 is an apocalyptic number.

It is an amenable number.

265906943268 is an abundant number, since it is smaller than the sum of its proper divisors (354650041500).

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

265906943268 is a wasteful number, since it uses less digits than its factorization.

265906943268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837523 (or 3837521 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 265906943268 in words is "two hundred sixty-five billion, nine hundred six million, nine hundred forty-three thousand, two hundred sixty-eight".