255492180 has 72 divisors (see below), whose sum is σ = 783036072. Its totient is φ = 67424256.

The previous prime is 255492163. The next prime is 255492187. The reversal of 255492180 is 81294552.

255492180 is a `hidden beast` number, since 2 + 554 + 9 + 21 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 254338704 = 1074^2 + 15948^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255492187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10144 + ... + 24776.

It is an arithmetic number, because the mean of its divisors is an integer number (10875501).

Almost surely, 2^255492180 is an apocalyptic number.

255492180 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 255492180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391518036).

255492180 is an abundant number, since it is smaller than the sum of its proper divisors (527543892).

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

255492180 is a wasteful number, since it uses less digits than its factorization.

255492180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745 (or 14740 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 255492180 is about 15984.1227472764. The cubic root of 255492180 is about 634.5402918225.

The spelling of 255492180 in words is "two hundred fifty-five million, four hundred ninety-two thousand, one hundred eighty".