4042423441020 has 48 divisors (see below), whose sum is σ = 11341468656000. Its totient is φ = 1075819296576.

The previous prime is 4042423440977. The next prime is 4042423441061. The reversal of 4042423441020 is 201443242404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67478802 + ... + 67538681.

It is an arithmetic number, because the mean of its divisors is an integer number (236280597000).

Almost surely, 2^{4042423441020} is an apocalyptic number.

It is an amenable number.

4042423441020 is an abundant number, since it is smaller than the sum of its proper divisors (7299045214980).

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

4042423441020 is a wasteful number, since it uses less digits than its factorization.

4042423441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135017994 (or 135017992 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4042423441020 its reverse (201443242404), we get a palindrome (4243866683424).

The spelling of 4042423441020 in words is "four trillion, forty-two billion, four hundred twenty-three million, four hundred forty-one thousand, twenty".