268518056 has 8 divisors (see below), whose sum is σ = 503471370. Its totient is φ = 134259024.

The previous prime is 268518049. The next prime is 268518083. The reversal of 268518056 is 650815862.

It can be written as a sum of positive squares in only one way, i.e., 198528100 + 69989956 = 14090^2 + 8366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16782371 + ... + 16782386.

Almost surely, 2^268518056 is an apocalyptic number.

It is an amenable number.

268518056 is a deficient number, since it is larger than the sum of its proper divisors (234953314).

268518056 is a wasteful number, since it uses less digits than its factorization.

268518056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33564763 (or 33564759 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 268518056 is about 16386.5205580685. The cubic root of 268518056 is about 645.1457363534.

The spelling of 268518056 in words is "two hundred sixty-eight million, five hundred eighteen thousand, fifty-six".