4440003320 has 64 divisors (see below), whose sum is σ = 10085040000. Its totient is φ = 1759177728.

The previous prime is 4440003263. The next prime is 4440003343. The reversal of 4440003320 is 233000444.

It is a happy number.

It is a super-2 number, since 2×4440003320² = 39427258963222044800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4440003292 and 4440003301.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2758676 + ... + 2760284.

It is an arithmetic number, because the mean of its divisors is an integer number (157578750).

Almost surely, 2^4440003320 is an apocalyptic number.

4440003320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440003320 is an abundant number, since it is smaller than the sum of its proper divisors (5645036680).

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

4440003320 is a wasteful number, since it uses less digits than its factorization.

4440003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4440003320 is about 66633.3499082854. The cubic root of 4440003320 is about 1643.5935626397.

Adding to 4440003320 its reverse (233000444), we get a palindrome (4673003764).

The spelling of 4440003320 in words is "four billion, four hundred forty million, three thousand, three hundred twenty".