444004404044 has 6 divisors (see below), whose sum is σ = 777007707084. Its totient is φ = 222002202020.

The previous prime is 444004403971. The next prime is 444004404047. The reversal of 444004404044 is 440404400444.

It is a self number, because there is not a number n which added to its sum of digits gives 444004404044.

It is not an unprimeable number, because it can be changed into a prime (444004404047) 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 as a sum of consecutive naturals, namely, 55500550502 + ... + 55500550509.

It is an arithmetic number, because the mean of its divisors is an integer number (129501284514).

Almost surely, 2^444004404044 is an apocalyptic number.

It is an amenable number.

444004404044 is a deficient number, since it is larger than the sum of its proper divisors (333003303040).

444004404044 is a wasteful number, since it uses less digits than its factorization.

444004404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111001101015 (or 111001101013 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 444004404044 its reverse (440404400444), we get a palindrome (884408804488).

It can be divided in two parts, 44400 and 4404044, that added together give a palindrome (4448444).

The spelling of 444004404044 in words is "four hundred forty-four billion, four million, four hundred four thousand, forty-four".