268815518862 has 32 divisors (see below), whose sum is σ = 587075606784. Its totient is φ = 81380217600.

The previous prime is 268815518837. The next prime is 268815518863.

268815518862 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 268815518796 and 268815518805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268815518863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907203 + ... + 2043294.

It is an arithmetic number, because the mean of its divisors is an integer number (18346112712).

Almost surely, 2^268815518862 is an apocalyptic number.

268815518862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

268815518862 is an abundant number, since it is smaller than the sum of its proper divisors (318260087922).

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

268815518862 is a wasteful number, since it uses less digits than its factorization.

268815518862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951544.

The product of its digits is 14745600, while the sum is 60.

The spelling of 268815518862 in words is "two hundred sixty-eight billion, eight hundred fifteen million, five hundred eighteen thousand, eight hundred sixty-two".