4406644039 has 24 divisors (see below), whose sum is σ = 5250181536. Its totient is φ = 3686760000.

The previous prime is 4406644013. The next prime is 4406644049. The reversal of 4406644039 is 9304466044.

It is a happy number.

It is not a de Polignac number, because 4406644039 - 2⁷ = 4406643911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4406643992 and 4406644010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406644049) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 345109 + ... + 357649.

It is an arithmetic number, because the mean of its divisors is an integer number (218757564).

Almost surely, 2^4406644039 is an apocalyptic number.

4406644039 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4406644039 is a deficient number, since it is larger than the sum of its proper divisors (843537497).

4406644039 is a wasteful number, since it uses less digits than its factorization.

4406644039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727 (or 12720 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 4406644039 is about 66382.5582438640. The cubic root of 4406644039 is about 1639.4669146572.

The spelling of 4406644039 in words is "four billion, four hundred six million, six hundred forty-four thousand, thirty-nine".