268182484281808 has 20 divisors (see below), whose sum is σ = 519629163943140. Its totient is φ = 134084635522304.

The previous prime is 268182484281791. The next prime is 268182484281809. The reversal of 268182484281808 is 808182484281862.

It can be written as a sum of positive squares in 2 ways, for example, as 216763431060544 + 51419053221264 = 14722888^2 + 7170708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268182484281809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412578763 + ... + 413228266.

It is an arithmetic number, because the mean of its divisors is an integer number (25981458197157).

Almost surely, 2^{268182484281808} is an apocalyptic number.

It is an amenable number.

268182484281808 is a deficient number, since it is larger than the sum of its proper divisors (251446679661332).

268182484281808 is a wasteful number, since it uses less digits than its factorization.

268182484281808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825827334 (or 825827328 counting only the distinct ones).

The product of its (nonzero) digits is 201326592, while the sum is 70.

The spelling of 268182484281808 in words is "two hundred sixty-eight trillion, one hundred eighty-two billion, four hundred eighty-four million, two hundred eighty-one thousand, eight hundred eight".