4000444004 has 36 divisors (see below), whose sum is σ = 7343132160. Its totient is φ = 1906790160.

The previous prime is 4000443803. The next prime is 4000444009. The reversal of 4000444004 is 4004440004.

It is not an unprimeable number, because it can be changed into a prime (4000444009) 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 in 11 ways as a sum of consecutive naturals, for example, 655037 + ... + 661115.

Almost surely, 2^4000444004 is an apocalyptic number.

It is an amenable number.

4000444004 is a deficient number, since it is larger than the sum of its proper divisors (3342688156).

4000444004 is a wasteful number, since it uses less digits than its factorization.

4000444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4000444004 is about 63249.0632657907. The cubic root of 4000444004 is about 1587.4597841632.

Adding to 4000444004 its reverse (4004440004), we get a palindrome (8004884008).

The spelling of 4000444004 in words is "four billion, four hundred forty-four thousand, four".