4400040004 has 6 divisors (see below), whose sum is σ = 7700070014. Its totient is φ = 2200020000.

The previous prime is 4400039929. The next prime is 4400040023. The reversal of 4400040004 is 4000400044.

It can be written as a sum of positive squares in only one way, i.e., 2365849600 + 2034190404 = 48640^2 + 45102^2 .

4400040004 is a modest number, since divided by 40004 gives 44 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4400040004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550004997 + ... + 550005004.

Almost surely, 2^4400040004 is an apocalyptic number.

It is an amenable number.

4400040004 is a deficient number, since it is larger than the sum of its proper divisors (3300030010).

4400040004 is a wasteful number, since it uses less digits than its factorization.

4400040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100010005 (or 1100010003 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4400040004 is about 66332.7973479183. The cubic root of 4400040004 is about 1638.6475072663.

Adding to 4400040004 its reverse (4000400044), we get a palindrome (8400440048).

The spelling of 4400040004 in words is "four billion, four hundred million, forty thousand, four".