4440505 has 8 divisors (see below), whose sum is σ = 5458824. Its totient is φ = 3465600.

The previous prime is 4440503. The next prime is 4440521. The reversal of 4440505 is 5050444.

4440505 = 191² + 192² + ... + 272².

It can be written as a sum of positive squares in 4 ways, for example, as 13689 + 4426816 = 117^2 + 2104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4440505 - 2¹ = 4440503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10626 + ... + 11035.

It is an arithmetic number, because the mean of its divisors is an integer number (682353).

Almost surely, 2^4440505 is an apocalyptic number.

It is an amenable number.

4440505 is a deficient number, since it is larger than the sum of its proper divisors (1018319).

4440505 is a wasteful number, since it uses less digits than its factorization.

4440505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4440505 is about 2107.2505783603. The cubic root of 4440505 is about 164.3655464017.

Adding to 4440505 its reverse (5050444), we get a palindrome (9490949).

The spelling of 4440505 in words is "four million, four hundred forty thousand, five hundred five".