268458111856 has 20 divisors (see below), whose sum is σ = 567422827704. Its totient is φ = 122026414400.

The previous prime is 268458111799. The next prime is 268458111877. The reversal of 268458111856 is 658111854862.

268458111856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×268458111856³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268458111797 and 268458111806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 762664915 + ... + 762665266.

Almost surely, 2^268458111856 is an apocalyptic number.

It is an amenable number.

268458111856 is an abundant number, since it is smaller than the sum of its proper divisors (298964715848).

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

268458111856 is a wasteful number, since it uses less digits than its factorization.

268458111856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525330200 (or 1525330194 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 55.

The spelling of 268458111856 in words is "two hundred sixty-eight billion, four hundred fifty-eight million, one hundred eleven thousand, eight hundred fifty-six".