255692983994208 has 192 divisors, whose sum is σ = 755161055550720. Its totient is φ = 84158969849856.

The previous prime is 255692983994167. The next prime is 255692983994249. The reversal of 255692983994208 is 802499389296552.

255692983994208 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 9 + 29 + 83 + 99 + 420 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (255692983994167) and next prime (255692983994249).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132931416 + ... + 134841192.

It is an arithmetic number, because the mean of its divisors is an integer number (3933130497660).

Almost surely, 2^{255692983994208} 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 255692983994208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377580527775360).

255692983994208 is an abundant number, since it is smaller than the sum of its proper divisors (499468071556512).

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

255692983994208 is a wasteful number, since it uses less digits than its factorization.

255692983994208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911746 (or 1911732 counting only the distinct ones).

The product of its (nonzero) digits is 6046617600, while the sum is 81.

The spelling of 255692983994208 in words is "two hundred fifty-five trillion, six hundred ninety-two billion, nine hundred eighty-three million, nine hundred ninety-four thousand, two hundred eight".