268396803122 has 54 divisors (see below), whose sum is σ = 476934977727. Its totient is φ = 112950104568.

The previous prime is 268396803119. The next prime is 268396803137. The reversal of 268396803122 is 221308693862.

It can be written as a sum of positive squares in only one way, i.e., 134198401561 + 134198401561 = 366331^2 + 366331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=366331.

It is a super-2 number, since 2×268396803122² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 302588963 + ... + 302589849.

Almost surely, 2^268396803122 is an apocalyptic number.

268396803122 is a deficient number, since it is larger than the sum of its proper divisors (208538174605).

268396803122 is an frugal number, since it uses more digits than its factorization.

268396803122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

Multiplying 268396803122 by its sum of digits (50), we get a square (13419840156100 = 3663310²).

The spelling of 268396803122 in words is "two hundred sixty-eight billion, three hundred ninety-six million, eight hundred three thousand, one hundred twenty-two".