255494280 has 32 divisors (see below), whose sum is σ = 766483200. Its totient is φ = 68131776.

The previous prime is 255494269. The next prime is 255494333. The reversal of 255494280 is 82494552.

255494280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255494280² = 130554654225436800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064440 + ... + 1064679.

It is an arithmetic number, because the mean of its divisors is an integer number (23952600).

Almost surely, 2^255494280 is an apocalyptic number.

255494280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255494280 is an abundant number, since it is smaller than the sum of its proper divisors (510988920).

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

255494280 is a wasteful number, since it uses less digits than its factorization.

255494280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129133 (or 2129129 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 255494280 is about 15984.1884373277. The cubic root of 255494280 is about 634.5420303375.

The spelling of 255494280 in words is "two hundred fifty-five million, four hundred ninety-four thousand, two hundred eighty".