268815355 has 16 divisors (see below), whose sum is σ = 334824480. Its totient is φ = 206938368.

The previous prime is 268815347. The next prime is 268815383. The reversal of 268815355 is 553518862.

It is a cyclic number.

It is not a de Polignac number, because 268815355 - 2³ = 268815347 is a prime.

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, 42424 + ... + 48346.

It is an arithmetic number, because the mean of its divisors is an integer number (20926530).

Almost surely, 2^268815355 is an apocalyptic number.

268815355 is a deficient number, since it is larger than the sum of its proper divisors (66009125).

268815355 is a wasteful number, since it uses less digits than its factorization.

268815355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its digits is 288000, while the sum is 43.

The square root of 268815355 is about 16395.5894983986. The cubic root of 268815355 is about 645.3837469640.

The spelling of 268815355 in words is "two hundred sixty-eight million, eight hundred fifteen thousand, three hundred fifty-five".