444444444404 has 6 divisors (see below), whose sum is σ = 777777777714. Its totient is φ = 222222222200.

The previous prime is 444444444401. The next prime is 444444444443. The reversal of 444444444404 is 404444444444.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 230686168804 + 213758275600 = 480298^2 + 462340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444444401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555555547 + ... + 55555555554.

It is an arithmetic number, because the mean of its divisors is an integer number (129629629619).

Almost surely, 2^444444444404 is an apocalyptic number.

It is an amenable number.

444444444404 is a deficient number, since it is larger than the sum of its proper divisors (333333333310).

444444444404 is a wasteful number, since it uses less digits than its factorization.

444444444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111111105 (or 111111111103 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 44.

Adding to 444444444404 its reverse (404444444444), we get a palindrome (848888888848).

It can be divided in two parts, 44444444440 and 4, that added together give a palindrome (44444444444).

The spelling of 444444444404 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred four".