4429244646 has 64 divisors (see below), whose sum is σ = 10250150400. Its totient is φ = 1415988000.

The previous prime is 4429244639. The next prime is 4429244653. The reversal of 4429244646 is 6464429244.

It is an interprime number because it is at equal distance from previous prime (4429244639) and next prime (4429244653).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227101 + ... + 245831.

It is an arithmetic number, because the mean of its divisors is an integer number (160158600).

Almost surely, 2^4429244646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4429244646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5125075200).

4429244646 is an abundant number, since it is smaller than the sum of its proper divisors (5820905754).

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

4429244646 is a wasteful number, since it uses less digits than its factorization.

4429244646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18922 (or 18916 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The square root of 4429244646 is about 66552.5705438941. The cubic root of 4429244646 is about 1642.2649458261.

The spelling of 4429244646 in words is "four billion, four hundred twenty-nine million, two hundred forty-four thousand, six hundred forty-six".