268889012 has 12 divisors (see below), whose sum is σ = 537778080. Its totient is φ = 115238136.

The previous prime is 268889011. The next prime is 268889057. The reversal of 268889012 is 210988862.

268889012 is an admirable number.

It is a super-2 number, since 2×268889012² = 144602601548672288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268889011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801562 + ... + 4801617.

It is an arithmetic number, because the mean of its divisors is an integer number (44814840).

Almost surely, 2^268889012 is an apocalyptic number.

It is an amenable number.

268889012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268889012 is a wasteful number, since it uses less digits than its factorization.

268889012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603190 (or 9603188 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 268889012 is about 16397.8355888818. The cubic root of 268889012 is about 645.4426879044.

The spelling of 268889012 in words is "two hundred sixty-eight million, eight hundred eighty-nine thousand, twelve".