255009018 has 16 divisors (see below), whose sum is σ = 556383456. Its totient is φ = 77275440.

The previous prime is 255009011. The next prime is 255009071. The reversal of 255009018 is 810900552.

It is a super-2 number, since 2×255009018² = 130059198522648648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255009011) 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, 1931821 + ... + 1931952.

It is an arithmetic number, because the mean of its divisors is an integer number (34773966).

Almost surely, 2^255009018 is an apocalyptic number.

255009018 is an abundant number, since it is smaller than the sum of its proper divisors (301374438).

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

255009018 is a wasteful number, since it uses less digits than its factorization.

255009018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863789.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 255009018 is about 15969.0017847078. The cubic root of 255009018 is about 634.1400457543.

The spelling of 255009018 in words is "two hundred fifty-five million, nine thousand, eighteen".