444001105 has 4 divisors (see below), whose sum is σ = 532801332. Its totient is φ = 355200880.

The previous prime is 444001097. The next prime is 444001123. The reversal of 444001105 is 501100444.

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 114832656 + 329168449 = 10716^2 + 18143^2 .

It is not a de Polignac number, because 444001105 - 2³ = 444001097 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44400106 + ... + 44400115.

It is an arithmetic number, because the mean of its divisors is an integer number (133200333).

Almost surely, 2^444001105 is an apocalyptic number.

It is an amenable number.

444001105 is a deficient number, since it is larger than the sum of its proper divisors (88800227).

444001105 is an equidigital number, since it uses as much as digits as its factorization.

444001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88800226.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 444001105 is about 21071.3337261788. Note that the first 3 decimals coincide. The cubic root of 444001105 is about 762.8889954614. Note that the first 3 decimals are identical.

Adding to 444001105 its reverse (501100444), we get a palindrome (945101549).

The spelling of 444001105 in words is "four hundred forty-four million, one thousand, one hundred five".