268448185 has 4 divisors (see below), whose sum is σ = 322137828. Its totient is φ = 214758544.

The previous prime is 268448153. The next prime is 268448239. The reversal of 268448185 is 581844862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 581844862 = 2 ⋅290922431.

It can be written as a sum of positive squares in 2 ways, for example, as 51151104 + 217297081 = 7152^2 + 14741^2 .

It is a cyclic number.

It is not a de Polignac number, because 268448185 - 2⁵ = 268448153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26844814 + ... + 26844823.

It is an arithmetic number, because the mean of its divisors is an integer number (80534457).

Almost surely, 2^268448185 is an apocalyptic number.

It is an amenable number.

268448185 is a deficient number, since it is larger than the sum of its proper divisors (53689643).

268448185 is an equidigital number, since it uses as much as digits as its factorization.

268448185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53689642.

The product of its digits is 491520, while the sum is 46.

The square root of 268448185 is about 16384.3884536470. The cubic root of 268448185 is about 645.0897737752.

The spelling of 268448185 in words is "two hundred sixty-eight million, four hundred forty-eight thousand, one hundred eighty-five".