268806318 has 32 divisors (see below), whose sum is σ = 588021120. Its totient is φ = 81243360.

The previous prime is 268806311. The next prime is 268806331. The reversal of 268806318 is 813608862.

It is a self number, because there is not a number n which added to its sum of digits gives 268806318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268806311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21073 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (18375660).

Almost surely, 2^268806318 is an apocalyptic number.

268806318 is an abundant number, since it is smaller than the sum of its proper divisors (319214802).

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

268806318 is a wasteful number, since it uses less digits than its factorization.

268806318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 268806318 is about 16395.3139036738. The cubic root of 268806318 is about 645.3765147403.

The spelling of 268806318 in words is "two hundred sixty-eight million, eight hundred six thousand, three hundred eighteen".