268686894790 has 16 divisors (see below), whose sum is σ = 483642440640. Its totient is φ = 107473417920.

The previous prime is 268686894761. The next prime is 268686894829. The reversal of 268686894790 is 97498686862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229410 + ... + 1431370.

It is an arithmetic number, because the mean of its divisors is an integer number (30227652540).

Almost surely, 2^268686894790 is an apocalyptic number.

268686894790 is a deficient number, since it is larger than the sum of its proper divisors (214955545850).

268686894790 is a wasteful number, since it uses less digits than its factorization.

268686894790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335007.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 268686894790 in words is "two hundred sixty-eight billion, six hundred eighty-six million, eight hundred ninety-four thousand, seven hundred ninety".