268337978589312 has 64 divisors (see below), whose sum is σ = 791969728485600. Its totient is φ = 89445992861952.

The previous prime is 268337978589259. The next prime is 268337978589313. The reversal of 268337978589312 is 213985879733862.

268337978589312 is a `hidden beast` number, since 2 + 6 + 83 + 3 + 79 + 7 + 85 + 89 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (268337978589313) 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 7 ways as a sum of consecutive naturals, for example, 38822042058 + ... + 38822048969.

Almost surely, 2^{268337978589312} is an apocalyptic number.

It is an amenable number.

268337978589312 is an abundant number, since it is smaller than the sum of its proper divisors (523631749896288).

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

268337978589312 is an equidigital number, since it uses as much as digits as its factorization.

268337978589312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77644091050 (or 77644091032 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 81.

The spelling of 268337978589312 in words is "two hundred sixty-eight trillion, three hundred thirty-seven billion, nine hundred seventy-eight million, five hundred eighty-nine thousand, three hundred twelve".