255904854084 has 144 divisors (see below), whose sum is σ = 714541551360. Its totient is φ = 76576389120.

The previous prime is 255904854067. The next prime is 255904854097. The reversal of 255904854084 is 480458409552.

255904854084 is a `hidden beast` number, since 2 + 5 + 5 + 90 + 4 + 8 + 540 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 255904854084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17777562 + ... + 17791950.

Almost surely, 2^255904854084 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 255904854084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357270775680).

255904854084 is an abundant number, since it is smaller than the sum of its proper divisors (458636697276).

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

255904854084 is a wasteful number, since it uses less digits than its factorization.

255904854084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14970 (or 14965 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 255904854084 in words is "two hundred fifty-five billion, nine hundred four million, eight hundred fifty-four thousand, eighty-four".