42622434242 has 16 divisors (see below), whose sum is σ = 64141360920. Its totient is φ = 21242016768.

The previous prime is 42622434203. The next prime is 42622434293. The reversal of 42622434242 is 24243422624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27429653161 + 15192781081 = 165619^2 + 123259^2 .

It is a super-2 number, since 2×42622434242² (a number of 22 digits) contains 22 as substring.

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, 3321134 + ... + 3333942.

Almost surely, 2^42622434242 is an apocalyptic number.

42622434242 is a deficient number, since it is larger than the sum of its proper divisors (21518926678).

42622434242 is a wasteful number, since it uses less digits than its factorization.

42622434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18085.

The product of its digits is 147456, while the sum is 35.

Adding to 42622434242 its reverse (24243422624), we get a palindrome (66865856866).

The spelling of 42622434242 in words is "forty-two billion, six hundred twenty-two million, four hundred thirty-four thousand, two hundred forty-two".