255785086000 has 80 divisors (see below), whose sum is σ = 619374027168. Its totient is φ = 102167520000.

The previous prime is 255785085973. The next prime is 255785086013. The reversal of 255785086000 is 680587552.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1310779 + ... + 1493221.

Almost surely, 2^255785086000 is an apocalyptic number.

255785086000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255785086000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309687013584).

255785086000 is an abundant number, since it is smaller than the sum of its proper divisors (363588941168).

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

255785086000 is a wasteful number, since it uses less digits than its factorization.

255785086000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183167 (or 183151 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

It can be divided in two parts, 2557850 and 86000, that added together give a triangular number (2643850 = T₂₂₉₉).

The spelling of 255785086000 in words is "two hundred fifty-five billion, seven hundred eighty-five million, eighty-six thousand".