440044312 has 16 divisors (see below), whose sum is σ = 825306840. Its totient is φ = 219962496.

The previous prime is 440044307. The next prime is 440044321. The reversal of 440044312 is 213440044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49263 + ... + 57505.

Almost surely, 2^440044312 is an apocalyptic number.

It is an amenable number.

440044312 is a deficient number, since it is larger than the sum of its proper divisors (385262528).

440044312 is a wasteful number, since it uses less digits than its factorization.

440044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922 (or 14918 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440044312 is about 20977.2331826673. The cubic root of 440044312 is about 760.6160240875.

Adding to 440044312 its reverse (213440044), we get a palindrome (653484356).

The spelling of 440044312 in words is "four hundred forty million, forty-four thousand, three hundred twelve".