268621800 has 48 divisors (see below), whose sum is σ = 832729440. Its totient is φ = 71632320.

The previous prime is 268621799. The next prime is 268621831. The reversal of 268621800 is 8126862.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223252 + ... + 224451.

It is an arithmetic number, because the mean of its divisors is an integer number (17348530).

Almost surely, 2^268621800 is an apocalyptic number.

268621800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268621800 is an abundant number, since it is smaller than the sum of its proper divisors (564107640).

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

268621800 is a wasteful number, since it uses less digits than its factorization.

268621800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447722 (or 447713 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 268621800 is about 16389.6857810026. The cubic root of 268621800 is about 645.2288113149.

The spelling of 268621800 in words is "two hundred sixty-eight million, six hundred twenty-one thousand, eight hundred".