4440003663 has 8 divisors (see below), whose sum is σ = 6080005168. Its totient is φ = 2880002304.

The previous prime is 4440003649. The next prime is 4440003683. The reversal of 4440003663 is 3663000444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4440003663 - 2⁴ = 4440003647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4440003663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440003683) 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 in 7 ways as a sum of consecutive naturals, for example, 19999906 + ... + 20000127.

It is an arithmetic number, because the mean of its divisors is an integer number (760000646).

Almost surely, 2^4440003663 is an apocalyptic number.

4440003663 is a deficient number, since it is larger than the sum of its proper divisors (1640001505).

4440003663 is a wasteful number, since it uses less digits than its factorization.

4440003663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000073.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 4440003663 is about 66633.3524820716. The cubic root of 4440003663 is about 1643.5936049634.

The spelling of 4440003663 in words is "four billion, four hundred forty million, three thousand, six hundred sixty-three".