426442105 has 4 divisors (see below), whose sum is σ = 511730532. Its totient is φ = 341153680.

The previous prime is 426442097. The next prime is 426442123. The reversal of 426442105 is 501244624.

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 316946809 + 109495296 = 17803^2 + 10464^2 .

It is not a de Polignac number, because 426442105 - 2³ = 426442097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42644206 + ... + 42644215.

It is an arithmetic number, because the mean of its divisors is an integer number (127932633).

Almost surely, 2^426442105 is an apocalyptic number.

It is an amenable number.

426442105 is a deficient number, since it is larger than the sum of its proper divisors (85288427).

426442105 is an equidigital number, since it uses as much as digits as its factorization.

426442105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85288426.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 426442105 is about 20650.4746918806. The cubic root of 426442105 is about 752.6967245400.

Adding to 426442105 its reverse (501244624), we get a palindrome (927686729).

The spelling of 426442105 in words is "four hundred twenty-six million, four hundred forty-two thousand, one hundred five".