255644833868 has 12 divisors (see below), whose sum is σ = 473694839352. Its totient is φ = 120303451200.

The previous prime is 255644833849. The next prime is 255644833897. The reversal of 255644833868 is 868338446552.

It is a happy number.

255644833868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255644833868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879741358 + ... + 1879741493.

It is an arithmetic number, because the mean of its divisors is an integer number (39474569946).

Almost surely, 2^255644833868 is an apocalyptic number.

It is an amenable number.

255644833868 is a deficient number, since it is larger than the sum of its proper divisors (218050005484).

255644833868 is a wasteful number, since it uses less digits than its factorization.

255644833868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759482872 (or 3759482870 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 62.

The spelling of 255644833868 in words is "two hundred fifty-five billion, six hundred forty-four million, eight hundred thirty-three thousand, eight hundred sixty-eight".