4040444008 has 8 divisors (see below), whose sum is σ = 7575832530. Its totient is φ = 2020222000.

The previous prime is 4040444003. The next prime is 4040444011. The reversal of 4040444008 is 8004440404.

It can be written as a sum of positive squares in only one way, i.e., 3392130564 + 648313444 = 58242^2 + 25462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4040444003) 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 as a sum of consecutive naturals, namely, 252527743 + ... + 252527758.

Almost surely, 2^4040444008 is an apocalyptic number.

It is an amenable number.

4040444008 is a deficient number, since it is larger than the sum of its proper divisors (3535388522).

4040444008 is a wasteful number, since it uses less digits than its factorization.

4040444008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505055507 (or 505055503 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 4040444008 is about 63564.4870033575. The cubic root of 4040444008 is about 1592.7331927860.

The spelling of 4040444008 in words is "four billion, forty million, four hundred forty-four thousand, eight".