8040444004 has 12 divisors (see below), whose sum is σ = 14080211964. Its totient is φ = 4017526304.

The previous prime is 8040443993. The next prime is 8040444017. The reversal of 8040444004 is 4004440408.

It can be written as a sum of positive squares in 2 ways, for example, as 7397720100 + 642723904 = 86010^2 + 25352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667207 + ... + 679150.

It is an arithmetic number, because the mean of its divisors is an integer number (1173350997).

Almost surely, 2^8040444004 is an apocalyptic number.

It is an amenable number.

8040444004 is a deficient number, since it is larger than the sum of its proper divisors (6039767960).

8040444004 is a wasteful number, since it uses less digits than its factorization.

8040444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347854 (or 1347852 counting only the distinct ones).

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

The square root of 8040444004 is about 89668.5229275023. The cubic root of 8040444004 is about 2003.3646699903.

The spelling of 8040444004 in words is "eight billion, forty million, four hundred forty-four thousand, four".