268668426 has 24 divisors (see below), whose sum is σ = 581852160. Its totient is φ = 82666896.

The previous prime is 268668409. The next prime is 268668437. The reversal of 268668426 is 624866862.

268668426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131466 + ... + 133493.

It is an arithmetic number, because the mean of its divisors is an integer number (24243840).

Almost surely, 2^268668426 is an apocalyptic number.

268668426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

268668426 is an abundant number, since it is smaller than the sum of its proper divisors (313183734).

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

268668426 is a wasteful number, since it uses less digits than its factorization.

268668426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264990 (or 264977 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 268668426 is about 16391.1081382559. The cubic root of 268668426 is about 645.2661409956.

The spelling of 268668426 in words is "two hundred sixty-eight million, six hundred sixty-eight thousand, four hundred twenty-six".