255472768896 has 128 divisors (see below), whose sum is σ = 702297907200. Its totient is φ = 82186180608.

The previous prime is 255472768849. The next prime is 255472768907. The reversal of 255472768896 is 698867274552.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 255472768896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44173621 + ... + 44179403.

It is an arithmetic number, because the mean of its divisors is an integer number (5486702400).

Almost surely, 2^255472768896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255472768896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351148953600).

255472768896 is an abundant number, since it is smaller than the sum of its proper divisors (446825138304).

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

255472768896 is a wasteful number, since it uses less digits than its factorization.

255472768896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796 (or 9784 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 69.

The spelling of 255472768896 in words is "two hundred fifty-five billion, four hundred seventy-two million, seven hundred sixty-eight thousand, eight hundred ninety-six".