440044004432 has 20 divisors (see below), whose sum is σ = 853252945236. Its totient is φ = 219849696000.

The previous prime is 440044004359. The next prime is 440044004443. The reversal of 440044004432 is 234400440044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 274886295616 + 165157708816 = 524296^2 + 406396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440044004395 and 440044004404.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10748069 + ... + 10788932.

Almost surely, 2^440044004432 is an apocalyptic number.

It is an amenable number.

440044004432 is a deficient number, since it is larger than the sum of its proper divisors (413208940804).

440044004432 is a wasteful number, since it uses less digits than its factorization.

440044004432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538286 (or 21538280 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 440044004432 its reverse (234400440044), we get a palindrome (674444444476).

The spelling of 440044004432 in words is "four hundred forty billion, forty-four million, four thousand, four hundred thirty-two".