268319782926 has 64 divisors (see below), whose sum is σ = 652659685440. Its totient is φ = 81206478720.

The previous prime is 268319782879. The next prime is 268319782943. The reversal of 268319782926 is 629287913862.

268319782926 is a `hidden beast` number, since 26 + 8 + 319 + 7 + 8 + 292 + 6 = 666.

It is a super-2 number, since 2×268319782926² (a number of 24 digits) contains 22 as substring.

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, 3090145 + ... + 3175788.

It is an arithmetic number, because the mean of its divisors is an integer number (10197807585).

Almost surely, 2^268319782926 is an apocalyptic number.

268319782926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

268319782926 is an abundant number, since it is smaller than the sum of its proper divisors (384339902514).

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

268319782926 is a wasteful number, since it uses less digits than its factorization.

268319782926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266018 (or 6266012 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 268319782926 in words is "two hundred sixty-eight billion, three hundred nineteen million, seven hundred eighty-two thousand, nine hundred twenty-six".