42432212242 has 16 divisors (see below), whose sum is σ = 73973833920. Its totient is φ = 17877009168.

The previous prime is 42432212237. The next prime is 42432212297. The reversal of 42432212242 is 24221223424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42432212242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25684533 + ... + 25686184.

It is an arithmetic number, because the mean of its divisors is an integer number (4623364620).

Almost surely, 2^42432212242 is an apocalyptic number.

42432212242 is a deficient number, since it is larger than the sum of its proper divisors (31541621678).

42432212242 is a wasteful number, since it uses less digits than its factorization.

42432212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51370785.

The product of its digits is 12288, while the sum is 28.

Adding to 42432212242 its reverse (24221223424), we get a palindrome (66653435666).

The spelling of 42432212242 in words is "forty-two billion, four hundred thirty-two million, two hundred twelve thousand, two hundred forty-two".