42042321204 has 24 divisors (see below), whose sum is σ = 105644807520. Its totient is φ = 12936098784.

The previous prime is 42042321197. The next prime is 42042321227. The reversal of 42042321204 is 40212324024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134750874 + ... + 134751185.

It is an arithmetic number, because the mean of its divisors is an integer number (4401866980).

Almost surely, 2^42042321204 is an apocalyptic number.

It is an amenable number.

42042321204 is an abundant number, since it is smaller than the sum of its proper divisors (63602486316).

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

42042321204 is a wasteful number, since it uses less digits than its factorization.

42042321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269502079 (or 269502077 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42042321204 its reverse (40212324024), we get a palindrome (82254645228).

The spelling of 42042321204 in words is "forty-two billion, forty-two million, three hundred twenty-one thousand, two hundred four".