268676757808392 has 64 divisors (see below), whose sum is σ = 671856146311680. Its totient is φ = 89537021263872.

The previous prime is 268676757808391. The next prime is 268676757808397. The reversal of 268676757808392 is 293808757676862.

It is not an unprimeable number, because it can be changed into a prime (268676757808391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2296461448 + ... + 2296578440.

It is an arithmetic number, because the mean of its divisors is an integer number (10497752286120).

Almost surely, 2^{268676757808392} is an apocalyptic number.

It is an amenable number.

268676757808392 is an abundant number, since it is smaller than the sum of its proper divisors (403179388503288).

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

268676757808392 is a wasteful number, since it uses less digits than its factorization.

268676757808392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139582 (or 139578 counting only the distinct ones).

The product of its (nonzero) digits is 20483850240, while the sum is 84.

The spelling of 268676757808392 in words is "two hundred sixty-eight trillion, six hundred seventy-six billion, seven hundred fifty-seven million, eight hundred eight thousand, three hundred ninety-two".