440404444 has 12 divisors (see below), whose sum is σ = 778653904. Its totient is φ = 217931904.

The previous prime is 440404421. The next prime is 440404453. The reversal of 440404444 is 444404044.

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, 567144 + ... + 567919.

Almost surely, 2^440404444 is an apocalyptic number.

It is an amenable number.

440404444 is a deficient number, since it is larger than the sum of its proper divisors (338249460).

440404444 is a wasteful number, since it uses less digits than its factorization.

440404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135164 (or 1135162 counting only the distinct ones).

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

The square root of 440404444 is about 20985.8153046290. The cubic root of 440404444 is about 760.8234634071.

Adding to 440404444 its reverse (444404044), we get a palindrome (884808488).

It can be divided in two parts, 44040 and 4444, that added together give a palindrome (48484).

The spelling of 440404444 in words is "four hundred forty million, four hundred four thousand, four hundred forty-four".