4021818182 has 16 divisors (see below), whose sum is σ = 6126548400. Its totient is φ = 1979858400.

The previous prime is 4021818181. The next prime is 4021818187. The reversal of 4021818182 is 2818181204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021818181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19457 + ... + 91772.

It is an arithmetic number, because the mean of its divisors is an integer number (382909275).

Almost surely, 2^4021818182 is an apocalyptic number.

4021818182 is a deficient number, since it is larger than the sum of its proper divisors (2104730218).

4021818182 is a wasteful number, since it uses less digits than its factorization.

4021818182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111511.

The product of its (nonzero) digits is 8192, while the sum is 35.

The square root of 4021818182 is about 63417.8065057441. The cubic root of 4021818182 is about 1590.2820039605.

Adding to 4021818182 its reverse (2818181204), we get a palindrome (6839999386).

The spelling of 4021818182 in words is "four billion, twenty-one million, eight hundred eighteen thousand, one hundred eighty-two".