444840044 has 36 divisors (see below), whose sum is σ = 857518032. Its totient is φ = 201764640.

The previous prime is 444840043. The next prime is 444840089. The reversal of 444840044 is 440048444.

It is not an unprimeable number, because it can be changed into a prime (444840043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358994 + ... + 360230.

Almost surely, 2^444840044 is an apocalyptic number.

444840044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444840044 is a deficient number, since it is larger than the sum of its proper divisors (412677988).

444840044 is a wasteful number, since it uses less digits than its factorization.

444840044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 444840044 is about 21091.2314481635. The cubic root of 444840044 is about 763.3691854449.

Adding to 444840044 its reverse (440048444), we get a palindrome (884888488).

It can be divided in two parts, 4448400 and 44, that added together give a palindrome (4448444).

The spelling of 444840044 in words is "four hundred forty-four million, eight hundred forty thousand, forty-four".