440003444 has 12 divisors (see below), whose sum is σ = 810532800. Its totient is φ = 208422648.

The previous prime is 440003441. The next prime is 440003449. The reversal of 440003444 is 444300044.

It is a super-2 number, since 2×440003444² = 387206061463722272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440003441) by changing a digit.

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, 2894684 + ... + 2894835.

It is an arithmetic number, because the mean of its divisors is an integer number (67544400).

Almost surely, 2^440003444 is an apocalyptic number.

It is an amenable number.

440003444 is a deficient number, since it is larger than the sum of its proper divisors (370529356).

440003444 is a wasteful number, since it uses less digits than its factorization.

440003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789542 (or 5789540 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 440003444 is about 20976.2590563713. The cubic root of 440003444 is about 760.5924765968.

Adding to 440003444 its reverse (444300044), we get a palindrome (884303488).

The spelling of 440003444 in words is "four hundred forty million, three thousand, four hundred forty-four".