4040222020 has 24 divisors (see below), whose sum is σ = 8503637184. Its totient is φ = 1612437216.

The previous prime is 4040222009. The next prime is 4040222051. The reversal of 4040222020 is 202220404.

It is a junction number, because it is equal to n+sod(n) for n = 4040221985 and 4040222003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219144 + ... + 236863.

It is an arithmetic number, because the mean of its divisors is an integer number (354318216).

Almost surely, 2^4040222020 is an apocalyptic number.

It is an amenable number.

4040222020 is an abundant number, since it is smaller than the sum of its proper divisors (4463415164).

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

4040222020 is a wasteful number, since it uses less digits than its factorization.

4040222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456459 (or 456457 counting only the distinct ones).

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

The square root of 4040222020 is about 63562.7408156697. The cubic root of 4040222020 is about 1592.7040232087.

Adding to 4040222020 its reverse (202220404), we get a palindrome (4242442424).

The spelling of 4040222020 in words is "four billion, forty million, two hundred twenty-two thousand, twenty".