268940392 has 32 divisors (see below), whose sum is σ = 588568320. Its totient is φ = 112806720.

The previous prime is 268940377. The next prime is 268940417. The reversal of 268940392 is 293049862.

It is a super-2 number, since 2×268940392² = 144657868898227328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48459 + ... + 53722.

It is an arithmetic number, because the mean of its divisors is an integer number (18392760).

Almost surely, 2^268940392 is an apocalyptic number.

It is an amenable number.

268940392 is an abundant number, since it is smaller than the sum of its proper divisors (319627928).

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

268940392 is a wasteful number, since it uses less digits than its factorization.

268940392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102241 (or 102237 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 268940392 is about 16399.4021842261. The cubic root of 268940392 is about 645.4837962326.

The spelling of 268940392 in words is "two hundred sixty-eight million, nine hundred forty thousand, three hundred ninety-two".