268442105 has 4 divisors (see below), whose sum is σ = 322130532. Its totient is φ = 214753680.

The previous prime is 268442093. The next prime is 268442107. The reversal of 268442105 is 501244862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72777961 + 195664144 = 8531^2 + 13988^2 .

It is not a de Polignac number, because 268442105 - 2¹⁴ = 268425721 is a prime.

It is a super-2 number, since 2×268442105² = 144122327473662050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268442107) 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, 26844206 + ... + 26844215.

It is an arithmetic number, because the mean of its divisors is an integer number (80532633).

Almost surely, 2^268442105 is an apocalyptic number.

It is an amenable number.

268442105 is a deficient number, since it is larger than the sum of its proper divisors (53688427).

268442105 is an equidigital number, since it uses as much as digits as its factorization.

268442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53688426.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 268442105 is about 16384.2029101205. The cubic root of 268442105 is about 645.0849035921.

Adding to 268442105 its reverse (501244862), we get a palindrome (769686967).

The spelling of 268442105 in words is "two hundred sixty-eight million, four hundred forty-two thousand, one hundred five".