4004443012 has 6 divisors (see below), whose sum is σ = 7007775278. Its totient is φ = 2002221504.

The previous prime is 4004442947. The next prime is 4004443019. The reversal of 4004443012 is 2103444004.

It can be written as a sum of positive squares in only one way, i.e., 3996009796 + 8433216 = 63214^2 + 2904^2 .

It is not an unprimeable number, because it can be changed into a prime (4004443019) by changing a digit.

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, 500555373 + ... + 500555380.

Almost surely, 2^4004443012 is an apocalyptic number.

It is an amenable number.

4004443012 is a deficient number, since it is larger than the sum of its proper divisors (3003332266).

4004443012 is a wasteful number, since it uses less digits than its factorization.

4004443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001110757 (or 1001110755 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4004443012 is about 63280.6685489336. The cubic root of 4004443012 is about 1587.9885713191.

Adding to 4004443012 its reverse (2103444004), we get a palindrome (6107887016).

The spelling of 4004443012 in words is "four billion, four million, four hundred forty-three thousand, twelve".