4042002220 has 48 divisors (see below), whose sum is σ = 8779837248. Its totient is φ = 1562019840.

The previous prime is 4042002199. The next prime is 4042002227. The reversal of 4042002220 is 222002404.

4042002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4042002194 and 4042002203.

It is not an unprimeable number, because it can be changed into a prime (4042002227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60532 + ... + 108388.

It is an arithmetic number, because the mean of its divisors is an integer number (182913276).

Almost surely, 2^4042002220 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 4042002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389918624).

4042002220 is an abundant number, since it is smaller than the sum of its proper divisors (4737835028).

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

4042002220 is a wasteful number, since it uses less digits than its factorization.

4042002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48010 (or 48008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4042002220 is about 63576.7427602264. The cubic root of 4042002220 is about 1592.9379142635.

Adding to 4042002220 its reverse (222002404), we get a palindrome (4264004624).

The spelling of 4042002220 in words is "four billion, forty-two million, two thousand, two hundred twenty".