4242040204020 has 48 divisors (see below), whose sum is σ = 12167412884928. Its totient is φ = 1103620215040.

The previous prime is 4242040203971. The next prime is 4242040204027. The reversal of 4242040204020 is 204020402424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242040204027) 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, 862200834 + ... + 862205753.

It is an arithmetic number, because the mean of its divisors is an integer number (253487768436).

Almost surely, 2^{4242040204020} is an apocalyptic number.

It is an amenable number.

4242040204020 is an abundant number, since it is smaller than the sum of its proper divisors (7925372680908).

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

4242040204020 is a wasteful number, since it uses less digits than its factorization.

4242040204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724406640 (or 1724406638 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 4242040204020 its reverse (204020402424), we get a palindrome (4446060606444).

The spelling of 4242040204020 in words is "four trillion, two hundred forty-two billion, forty million, two hundred four thousand, twenty".