4020421041 has 48 divisors (see below), whose sum is σ = 7461619200. Its totient is φ = 2120652576.

The previous prime is 4020420979. The next prime is 4020421057. The reversal of 4020421041 is 1401240204.

It is not a de Polignac number, because 4020421041 - 2⁹ = 4020420529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4020421541) 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 47 ways as a sum of consecutive naturals, for example, 99681 + ... + 134078.

It is an arithmetic number, because the mean of its divisors is an integer number (155450400).

Almost surely, 2^4020421041 is an apocalyptic number.

It is an amenable number.

4020421041 is a deficient number, since it is larger than the sum of its proper divisors (3441198159).

4020421041 is a wasteful number, since it uses less digits than its factorization.

4020421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233795 (or 233782 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4020421041 is about 63406.7901805477. The cubic root of 4020421041 is about 1590.0978330688.

Adding to 4020421041 its reverse (1401240204), we get a palindrome (5421661245).

The spelling of 4020421041 in words is "four billion, twenty million, four hundred twenty-one thousand, forty-one".