4000443344 has 10 divisors (see below), whose sum is σ = 7750859010. Its totient is φ = 2000221664.

The previous prime is 4000443299. The next prime is 4000443373. The reversal of 4000443344 is 4433440004.

It can be written as a sum of positive squares in only one way, i.e., 3227603344 + 772840000 = 56812^2 + 27800^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125013839 + ... + 125013870.

It is an arithmetic number, because the mean of its divisors is an integer number (775085901).

Almost surely, 2^4000443344 is an apocalyptic number.

It is an amenable number.

4000443344 is a deficient number, since it is larger than the sum of its proper divisors (3750415666).

4000443344 is a wasteful number, since it uses less digits than its factorization.

4000443344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250027717 (or 250027711 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4000443344 is about 63249.0580483220. The cubic root of 4000443344 is about 1587.4596968626.

Adding to 4000443344 its reverse (4433440004), we get a palindrome (8433883348).

The spelling of 4000443344 in words is "four billion, four hundred forty-three thousand, three hundred forty-four".