268453220 has 24 divisors (see below), whose sum is σ = 644288064. Its totient is φ = 92041056.

The previous prime is 268453177. The next prime is 268453249. The reversal of 268453220 is 22354862.

268453220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958622 + ... + 958901.

It is an arithmetic number, because the mean of its divisors is an integer number (26845336).

Almost surely, 2^268453220 is an apocalyptic number.

268453220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268453220 is an abundant number, since it is smaller than the sum of its proper divisors (375834844).

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

268453220 is a wasteful number, since it uses less digits than its factorization.

268453220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917539 (or 1917537 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 268453220 is about 16384.5421052894. The cubic root of 268453220 is about 645.0938068399.

The spelling of 268453220 in words is "two hundred sixty-eight million, four hundred fifty-three thousand, two hundred twenty".