4244405220 has 144 divisors (see below), whose sum is σ = 14148546048. Its totient is φ = 1021370880.

The previous prime is 4244405213. The next prime is 4244405227. The reversal of 4244405220 is 225044424.

It is an interprime number because it is at equal distance from previous prime (4244405213) and next prime (4244405227).

It is not an unprimeable number, because it can be changed into a prime (4244405227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263437 + ... + 279083.

It is an arithmetic number, because the mean of its divisors is an integer number (98253792).

Almost surely, 2^4244405220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244405220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7074273024).

4244405220 is an abundant number, since it is smaller than the sum of its proper divisors (9904140828).

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

4244405220 is a wasteful number, since it uses less digits than its factorization.

4244405220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4244405220 is about 65149.0999170365. The cubic root of 4244405220 is about 1619.0948075226.

Adding to 4244405220 its reverse (225044424), we get a palindrome (4469449644).

The spelling of 4244405220 in words is "four billion, two hundred forty-four million, four hundred five thousand, two hundred twenty".