42422040040020 has 48 divisors (see below), whose sum is σ = 119832877725120. Its totient is φ = 11212432999936.

The previous prime is 42422040040001. The next prime is 42422040040021. The reversal of 42422040040020 is 2004004022424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422040040021) 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, 3128462250 + ... + 3128475809.

It is an arithmetic number, because the mean of its divisors is an integer number (2496518285940).

Almost surely, 2^{42422040040020} is an apocalyptic number.

It is an amenable number.

42422040040020 is an abundant number, since it is smaller than the sum of its proper divisors (77410837685100).

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

42422040040020 is a wasteful number, since it uses less digits than its factorization.

42422040040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256938184 (or 6256938182 counting only the distinct ones).

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

Adding to 42422040040020 its reverse (2004004022424), we get a palindrome (44426044062444).

The spelling of 42422040040020 in words is "forty-two trillion, four hundred twenty-two billion, forty million, forty thousand, twenty".