268306682672 has 20 divisors (see below), whose sum is σ = 594107654736. Its totient is φ = 114988578240.

The previous prime is 268306682641. The next prime is 268306682723. The reversal of 268306682672 is 276286603862.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197797579 + ... + 1197797802.

Almost surely, 2^268306682672 is an apocalyptic number.

It is an amenable number.

268306682672 is an abundant number, since it is smaller than the sum of its proper divisors (325800972064).

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

268306682672 is a wasteful number, since it uses less digits than its factorization.

268306682672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395595396 (or 2395595390 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 268306682672 in words is "two hundred sixty-eight billion, three hundred six million, six hundred eighty-two thousand, six hundred seventy-two".