268311356 has 12 divisors (see below), whose sum is σ = 470391768. Its totient is φ = 133913712.

The previous prime is 268311319. The next prime is 268311359. The reversal of 268311356 is 653113862.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268311359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57986 + ... + 62441.

It is an arithmetic number, because the mean of its divisors is an integer number (39199314).

Almost surely, 2^268311356 is an apocalyptic number.

It is an amenable number.

268311356 is a deficient number, since it is larger than the sum of its proper divisors (202080412).

268311356 is a wasteful number, since it uses less digits than its factorization.

268311356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120988 (or 120986 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 268311356 is about 16380.2123307361. The cubic root of 268311356 is about 644.9801536269.

The spelling of 268311356 in words is "two hundred sixty-eight million, three hundred eleven thousand, three hundred fifty-six".