444440044 has 24 divisors (see below), whose sum is σ = 827085168. Its totient is φ = 208243200.

The previous prime is 444440021. The next prime is 444440047. The reversal of 444440044 is 440044444.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444439994 and 444440021.

It is not an unprimeable number, because it can be changed into a prime (444440047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 29869.

It is an arithmetic number, because the mean of its divisors is an integer number (34461882).

Almost surely, 2^444440044 is an apocalyptic number.

It is an amenable number.

444440044 is a deficient number, since it is larger than the sum of its proper divisors (382645124).

444440044 is a wasteful number, since it uses less digits than its factorization.

444440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28305 (or 28303 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 444440044 is about 21081.7467018272. The cubic root of 444440044 is about 763.1403097349.

Adding to 444440044 its reverse (440044444), we get a palindrome (884484488).

It can be divided in two parts, 4444400 and 44, that added together give a palindrome (4444444).

The spelling of 444440044 in words is "four hundred forty-four million, four hundred forty thousand, forty-four".