268738555 has 16 divisors (see below), whose sum is σ = 338227200. Its totient is φ = 204592608.

The previous prime is 268738549. The next prime is 268738577. The reversal of 268738555 is 555837862.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 268738555 - 2⁵ = 268738523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268738499 and 268738508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17014 + ... + 28756.

It is an arithmetic number, because the mean of its divisors is an integer number (21139200).

Almost surely, 2^268738555 is an apocalyptic number.

268738555 is a deficient number, since it is larger than the sum of its proper divisors (69488645).

268738555 is a wasteful number, since it uses less digits than its factorization.

268738555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its digits is 2016000, while the sum is 49.

The square root of 268738555 is about 16393.2472378111. The cubic root of 268738555 is about 645.3222795021.

The spelling of 268738555 in words is "two hundred sixty-eight million, seven hundred thirty-eight thousand, five hundred fifty-five".