4400444001 has 16 divisors (see below), whose sum is σ = 6019868096. Its totient is φ = 2857692096.

The previous prime is 4400443997. The next prime is 4400444039. The reversal of 4400444001 is 1004440044.

It is not a de Polignac number, because 4400444001 - 2² = 4400443997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400444051) 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 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 93843.

It is an arithmetic number, because the mean of its divisors is an integer number (376241756).

Almost surely, 2^4400444001 is an apocalyptic number.

It is an amenable number.

4400444001 is a deficient number, since it is larger than the sum of its proper divisors (1619424095).

4400444001 is a wasteful number, since it uses less digits than its factorization.

4400444001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91872.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4400444001 is about 66335.8425061444. The cubic root of 4400444001 is about 1638.6976574479.

Adding to 4400444001 its reverse (1004440044), we get a palindrome (5404884045).

The spelling of 4400444001 in words is "four billion, four hundred million, four hundred forty-four thousand, one".