268318776 has 32 divisors (see below), whose sum is σ = 731779200. Its totient is φ = 81308640.

The previous prime is 268318763. The next prime is 268318819. The reversal of 268318776 is 677813862.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507916 + ... + 508443.

It is an arithmetic number, because the mean of its divisors is an integer number (22868100).

Almost surely, 2^268318776 is an apocalyptic number.

It is an amenable number.

268318776 is an abundant number, since it is smaller than the sum of its proper divisors (463460424).

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

268318776 is a wasteful number, since it uses less digits than its factorization.

268318776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016379 (or 1016375 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 268318776 is about 16380.4388219608. The cubic root of 268318776 is about 644.9860990935.

The spelling of 268318776 in words is "two hundred sixty-eight million, three hundred eighteen thousand, seven hundred seventy-six".