268806673008 has 160 divisors (see below), whose sum is σ = 820227859200. Its totient is φ = 84045600000.

The previous prime is 268806672971. The next prime is 268806673013. The reversal of 268806673008 is 800376608862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666883 + ... + 991133.

It is an arithmetic number, because the mean of its divisors is an integer number (5126424120).

Almost surely, 2^268806673008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268806673008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410113929600).

268806673008 is an abundant number, since it is smaller than the sum of its proper divisors (551421186192).

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

268806673008 is a wasteful number, since it uses less digits than its factorization.

268806673008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324388 (or 324376 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 268806673008 in words is "two hundred sixty-eight billion, eight hundred six million, six hundred seventy-three thousand, eight".