4040003344 has 80 divisors (see below), whose sum is σ = 8570545200. Its totient is φ = 1833689088.

The previous prime is 4040003327. The next prime is 4040003353. The reversal of 4040003344 is 4433000404.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 82083600 + 3957919744 = 9060^2 + 62912^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4238772 + ... + 4239724.

It is an arithmetic number, because the mean of its divisors is an integer number (107131815).

Almost surely, 2^4040003344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040003344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285272600).

4040003344 is an abundant number, since it is smaller than the sum of its proper divisors (4530541856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040003344 is a wasteful number, since it uses less digits than its factorization.

4040003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 4040003344 is about 63561.0206337186. The cubic root of 4040003344 is about 1592.6752877888.

Adding to 4040003344 its reverse (4433000404), we get a palindrome (8473003748).

The spelling of 4040003344 in words is "four billion, forty million, three thousand, three hundred forty-four".