444413241544 has 32 divisors (see below), whose sum is σ = 865708155000. Its totient is φ = 213623506432.

The previous prime is 444413241541. The next prime is 444413241593. The reversal of 444413241544 is 445142314444.

It can be written as a sum of positive squares in 4 ways, for example, as 381135839044 + 63277402500 = 617362^2 + 251550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444413241497 and 444413241506.

It is not an unprimeable number, because it can be changed into a prime (444413241541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056619 + ... + 4164730.

Almost surely, 2^444413241544 is an apocalyptic number.

It is an amenable number.

444413241544 is a deficient number, since it is larger than the sum of its proper divisors (421294913456).

444413241544 is a wasteful number, since it uses less digits than its factorization.

444413241544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221617 (or 8221613 counting only the distinct ones).

The product of its digits is 491520, while the sum is 40.

Adding to 444413241544 its reverse (445142314444), we get a palindrome (889555555988).

The spelling of 444413241544 in words is "four hundred forty-four billion, four hundred thirteen million, two hundred forty-one thousand, five hundred forty-four".