255109260 has 96 divisors (see below), whose sum is σ = 821302272. Its totient is φ = 57957120.

The previous prime is 255109243. The next prime is 255109271. The reversal of 255109260 is 62901552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 70905 + ... + 74415.

It is an arithmetic number, because the mean of its divisors is an integer number (8555232).

Almost surely, 2^255109260 is an apocalyptic number.

255109260 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 255109260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410651136).

255109260 is an abundant number, since it is smaller than the sum of its proper divisors (566193012).

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

255109260 is a wasteful number, since it uses less digits than its factorization.

255109260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 255109260 is about 15972.1401195957. The cubic root of 255109260 is about 634.2231266580.

The spelling of 255109260 in words is "two hundred fifty-five million, one hundred nine thousand, two hundred sixty".