268958280 has 64 divisors (see below), whose sum is σ = 817954560. Its totient is φ = 70737408.

The previous prime is 268958279. The next prime is 268958323. The reversal of 268958280 is 82859862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6592 + ... + 24111.

It is an arithmetic number, because the mean of its divisors is an integer number (12780540).

Almost surely, 2^268958280 is an apocalyptic number.

268958280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268958280 is an abundant number, since it is smaller than the sum of its proper divisors (548996280).

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

268958280 is a wasteful number, since it uses less digits than its factorization.

268958280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30790 (or 30786 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 268958280 is about 16399.9475608918. The cubic root of 268958280 is about 645.4981069107.

The spelling of 268958280 in words is "two hundred sixty-eight million, nine hundred fifty-eight thousand, two hundred eighty".