4428444240806 has 16 divisors (see below), whose sum is σ = 7217837813760. Its totient is φ = 2030016884040.

The previous prime is 4428444240793. The next prime is 4428444240823. The reversal of 4428444240806 is 6080424448244.

It is a super-2 number, since 2×4428444240806² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879644086 + ... + 1879646441.

It is an arithmetic number, because the mean of its divisors is an integer number (451114863360).

Almost surely, 2^{4428444240806} is an apocalyptic number.

4428444240806 is a deficient number, since it is larger than the sum of its proper divisors (2789393572954).

4428444240806 is a wasteful number, since it uses less digits than its factorization.

4428444240806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759290579.

The product of its (nonzero) digits is 6291456, while the sum is 50.

The spelling of 4428444240806 in words is "four trillion, four hundred twenty-eight billion, four hundred forty-four million, two hundred forty thousand, eight hundred six".