4440440044 has 6 divisors (see below), whose sum is σ = 7770770084. Its totient is φ = 2220220020.

The previous prime is 4440440029. The next prime is 4440440047. The reversal of 4440440044 is 4400440444.

It is a junction number, because it is equal to n+sod(n) for n = 4440439994 and 4440440021.

It is not an unprimeable number, because it can be changed into a prime (4440440047) by changing a digit.

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 as a sum of consecutive naturals, namely, 555055002 + ... + 555055009.

Almost surely, 2^4440440044 is an apocalyptic number.

It is an amenable number.

4440440044 is a deficient number, since it is larger than the sum of its proper divisors (3330330040).

4440440044 is a wasteful number, since it uses less digits than its factorization.

4440440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110015 (or 1110110013 counting only the distinct ones).

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

The square root of 4440440044 is about 66636.6268954244. The cubic root of 4440440044 is about 1643.6474494779.

Adding to 4440440044 its reverse (4400440444), we get a palindrome (8840880488).

It can be divided in two parts, 44404 and 40044, that added together give a palindrome (84448).

The spelling of 4440440044 in words is "four billion, four hundred forty million, four hundred forty thousand, forty-four".