255467880 has 96 divisors (see below), whose sum is σ = 841730760. Its totient is φ = 67184640.

The previous prime is 255467867. The next prime is 255467881. The reversal of 255467880 is 88764552.

255467880 is a `hidden beast` number, since 25 + 546 + 7 + 8 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 138438756 + 117029124 = 11766^2 + 10818^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (255467881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21420 + ... + 31140.

Almost surely, 2^255467880 is an apocalyptic number.

255467880 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 255467880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420865380).

255467880 is an abundant number, since it is smaller than the sum of its proper divisors (586262880).

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

255467880 is a wasteful number, since it uses less digits than its factorization.

255467880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811 (or 9804 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 255467880 is about 15983.3625999037. The cubic root of 255467880 is about 634.5201740275.

The spelling of 255467880 in words is "two hundred fifty-five million, four hundred sixty-seven thousand, eight hundred eighty".