4433444220 has 48 divisors (see below), whose sum is σ = 12553138080. Its totient is φ = 1168966656.

The previous prime is 4433444219. The next prime is 4433444251. The reversal of 4433444220 is 224443344.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 409777 + ... + 420456.

It is an arithmetic number, because the mean of its divisors is an integer number (261523710).

Almost surely, 2^4433444220 is an apocalyptic number.

It is an amenable number.

4433444220 is an abundant number, since it is smaller than the sum of its proper divisors (8119693860).

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

4433444220 is a wasteful number, since it uses less digits than its factorization.

4433444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830334 (or 830332 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 4433444220 is about 66584.1138711029. The cubic root of 4433444220 is about 1642.7838179390.

Adding to 4433444220 its reverse (224443344), we get a palindrome (4657887564).

The spelling of 4433444220 in words is "four billion, four hundred thirty-three million, four hundred forty-four thousand, two hundred twenty".