255974824180 has 24 divisors (see below), whose sum is σ = 543586989960. Its totient is φ = 101239480320.

The previous prime is 255974824169. The next prime is 255974824181. The reversal of 255974824180 is 81428479552.

It can be written as a sum of positive squares in 4 ways, for example, as 5538634084 + 250436190096 = 74422^2 + 500436^2 .

It is a super-2 number, since 2×255974824180² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255974824181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71901261 + ... + 71904820.

It is an arithmetic number, because the mean of its divisors is an integer number (22649457915).

Almost surely, 2^255974824180 is an apocalyptic number.

255974824180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255974824180 is an abundant number, since it is smaller than the sum of its proper divisors (287612165780).

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

255974824180 is a wasteful number, since it uses less digits than its factorization.

255974824180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143806179 (or 143806177 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 255974824180 in words is "two hundred fifty-five billion, nine hundred seventy-four million, eight hundred twenty-four thousand, one hundred eighty".