4400044005 has 64 divisors (see below), whose sum is σ = 8130705408. Its totient is φ = 1990344960.

The previous prime is 4400043971. The next prime is 4400044013. The reversal of 4400044005 is 5004400044.

It is not a de Polignac number, because 4400044005 - 2⁷ = 4400043877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5425050 + ... + 5425860.

It is an arithmetic number, because the mean of its divisors is an integer number (127042272).

Almost surely, 2^4400044005 is an apocalyptic number.

It is an amenable number.

4400044005 is a deficient number, since it is larger than the sum of its proper divisors (3730661403).

4400044005 is a wasteful number, since it uses less digits than its factorization.

4400044005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4400044005 is about 66332.8275064466. The cubic root of 4400044005 is about 1638.6480039456.

Adding to 4400044005 its reverse (5004400044), we get a palindrome (9404444049).

The spelling of 4400044005 in words is "four billion, four hundred million, forty-four thousand, five".