268628568308 has 6 divisors (see below), whose sum is σ = 470099994546. Its totient is φ = 134314284152.

The previous prime is 268628568289. The next prime is 268628568311. The reversal of 268628568308 is 803865826862.

268628568308 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 268170693904 + 457874404 = 517852^2 + 21398^2 .

It is a super-3 number, since 3×268628568308³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 as a sum of consecutive naturals, namely, 33578571035 + ... + 33578571042.

It is an arithmetic number, because the mean of its divisors is an integer number (78349999091).

Almost surely, 2^268628568308 is an apocalyptic number.

It is an amenable number.

268628568308 is a deficient number, since it is larger than the sum of its proper divisors (201471426238).

268628568308 is a wasteful number, since it uses less digits than its factorization.

268628568308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67157142081 (or 67157142079 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 268628568308 in words is "two hundred sixty-eight billion, six hundred twenty-eight million, five hundred sixty-eight thousand, three hundred eight".