268943444160 has 56 divisors (see below), whose sum is σ = 853895438256. Its totient is φ = 71718251520.

The previous prime is 268943444093. The next prime is 268943444179. The reversal of 268943444160 is 61444349862.

268943444160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140073751 + ... + 140075670.

It is an arithmetic number, because the mean of its divisors is an integer number (15248132826).

Almost surely, 2^268943444160 is an apocalyptic number.

268943444160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268943444160 is an abundant number, since it is smaller than the sum of its proper divisors (584951994096).

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

268943444160 is a wasteful number, since it uses less digits than its factorization.

268943444160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280149441 (or 280149431 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 268943444160 in words is "two hundred sixty-eight billion, nine hundred forty-three million, four hundred forty-four thousand, one hundred sixty".