268313456 has 10 divisors (see below), whose sum is σ = 519857352. Its totient is φ = 134156720.

The previous prime is 268313417. The next prime is 268313483. The reversal of 268313456 is 654313862.

It is a super-2 number, since 2×268313456² = 143984221341327872, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 8384780 + ... + 8384811.

Almost surely, 2^268313456 is an apocalyptic number.

It is an amenable number.

268313456 is a deficient number, since it is larger than the sum of its proper divisors (251543896).

268313456 is a wasteful number, since it uses less digits than its factorization.

268313456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16769599 (or 16769593 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 268313456 is about 16380.2764323439. The cubic root of 268313456 is about 644.9818363172.

The spelling of 268313456 in words is "two hundred sixty-eight million, three hundred thirteen thousand, four hundred fifty-six".