440444444 has 12 divisors (see below), whose sum is σ = 840848568. Its totient is φ = 200202000.

The previous prime is 440444429. The next prime is 440444467. The reversal of 440444444 is 444444044.

440444444 is a modest number, since divided by 44444 gives 4404 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 440444444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005007 + ... + 5005094.

It is an arithmetic number, because the mean of its divisors is an integer number (70070714).

Almost surely, 2^440444444 is an apocalyptic number.

440444444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440444444 is a deficient number, since it is larger than the sum of its proper divisors (400404124).

440444444 is a wasteful number, since it uses less digits than its factorization.

440444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010116 (or 10010114 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 440444444 is about 20986.7683076742. The cubic root of 440444444 is about 760.8464967936.

Adding to 440444444 its reverse (444444044), we get a palindrome (884888488).

The spelling of 440444444 in words is "four hundred forty million, four hundred forty-four thousand, four hundred forty-four".