4042040020004 has 24 divisors (see below), whose sum is σ = 8087987396160. Its totient is φ = 1731465575136.

The previous prime is 4042040020001. The next prime is 4042040020013. The reversal of 4042040020004 is 4000200402404.

It is not an unprimeable number, because it can be changed into a prime (4042040020001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34828142 + ... + 34944005.

It is an arithmetic number, because the mean of its divisors is an integer number (336999474840).

Almost surely, 2^{4042040020004} is an apocalyptic number.

It is an amenable number.

4042040020004 is an abundant number, since it is smaller than the sum of its proper divisors (4045947376156).

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

4042040020004 is a wasteful number, since it uses less digits than its factorization.

4042040020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69774227 (or 69774225 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 4042040020004 its reverse (4000200402404), we get a palindrome (8042240422408).

The spelling of 4042040020004 in words is "four trillion, forty-two billion, forty million, twenty thousand, four".