42421333142 has 16 divisors (see below), whose sum is σ = 66156903792. Its totient is φ = 20384474880.

The previous prime is 42421333127. The next prime is 42421333159. The reversal of 42421333142 is 24133312424.

It is a congruent number.

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, 3855203 + ... + 3866190.

It is an arithmetic number, because the mean of its divisors is an integer number (4134806487).

Almost surely, 2^42421333142 is an apocalyptic number.

42421333142 is a deficient number, since it is larger than the sum of its proper divisors (23735570650).

42421333142 is a wasteful number, since it uses less digits than its factorization.

42421333142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721503.

The product of its digits is 13824, while the sum is 29.

Adding to 42421333142 its reverse (24133312424), we get a palindrome (66554645566).

The spelling of 42421333142 in words is "forty-two billion, four hundred twenty-one million, three hundred thirty-three thousand, one hundred forty-two".