440000440444 has 12 divisors (see below), whose sum is σ = 771940322104. Its totient is φ = 219446062704.

The previous prime is 440000440441. The next prime is 440000440457. The reversal of 440000440444 is 444044000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000440441) 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 in 3 ways as a sum of consecutive naturals, for example, 138537594 + ... + 138540769.

Almost surely, 2^440000440444 is an apocalyptic number.

It is an amenable number.

440000440444 is a deficient number, since it is larger than the sum of its proper divisors (331939881660).

440000440444 is a wasteful number, since it uses less digits than its factorization.

440000440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277078764 (or 277078762 counting only the distinct ones).

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

Adding to 440000440444 its reverse (444044000044), we get a palindrome (884044440488).

The spelling of 440000440444 in words is "four hundred forty billion, four hundred forty thousand, four hundred forty-four".