268276768 has 12 divisors (see below), whose sum is σ = 528169950. Its totient is φ = 134138368.

The previous prime is 268276747. The next prime is 268276793. The reversal of 268276768 is 867672862.

It can be written as a sum of positive squares in only one way, i.e., 230675344 + 37601424 = 15188^2 + 6132^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4191793 + ... + 4191856.

Almost surely, 2^268276768 is an apocalyptic number.

It is an amenable number.

268276768 is a deficient number, since it is larger than the sum of its proper divisors (259893182).

268276768 is an equidigital number, since it uses as much as digits as its factorization.

268276768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383659 (or 8383651 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 268276768 is about 16379.1565106388. The cubic root of 268276768 is about 644.9524376522.

The spelling of 268276768 in words is "two hundred sixty-eight million, two hundred seventy-six thousand, seven hundred sixty-eight".