268385320 has 32 divisors (see below), whose sum is σ = 690134400. Its totient is φ = 92017728.

The previous prime is 268385297. The next prime is 268385353. The reversal of 268385320 is 23583862.

It is a self number, because there is not a number n which added to its sum of digits gives 268385320.

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, 478980 + ... + 479539.

It is an arithmetic number, because the mean of its divisors is an integer number (21566700).

Almost surely, 2^268385320 is an apocalyptic number.

268385320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268385320 is an abundant number, since it is smaller than the sum of its proper divisors (421749080).

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

268385320 is a wasteful number, since it uses less digits than its factorization.

268385320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958537 (or 958533 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 268385320 is about 16382.4698992551. The cubic root of 268385320 is about 645.0394142932.

The spelling of 268385320 in words is "two hundred sixty-eight million, three hundred eighty-five thousand, three hundred twenty".