4440343220 has 48 divisors (see below), whose sum is σ = 9892507968. Its totient is φ = 1668395520.

The previous prime is 4440343199. The next prime is 4440343247. The reversal of 4440343220 is 223430444.

It is a super-2 number, since 2×4440343220² = 39433295822799936800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4440343220.

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, 165335 + ... + 190305.

It is an arithmetic number, because the mean of its divisors is an integer number (206093916).

Almost surely, 2^4440343220 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 4440343220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4946253984).

4440343220 is an abundant number, since it is smaller than the sum of its proper divisors (5452164748).

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

4440343220 is a wasteful number, since it uses less digits than its factorization.

4440343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520 (or 25518 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4440343220 is about 66635.9003841023. The cubic root of 4440343220 is about 1643.6355027882.

Adding to 4440343220 its reverse (223430444), we get a palindrome (4663773664).

The spelling of 4440343220 in words is "four billion, four hundred forty million, three hundred forty-three thousand, two hundred twenty".