42322144242 has 32 divisors (see below), whose sum is σ = 96867302400. Its totient is φ = 12075669648.

The previous prime is 42322144211. The next prime is 42322144243. The reversal of 42322144242 is 24244122324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42322144243) 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, 650742 + ... + 712817.

It is an arithmetic number, because the mean of its divisors is an integer number (3027103200).

Almost surely, 2^42322144242 is an apocalyptic number.

42322144242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42322144242 is an abundant number, since it is smaller than the sum of its proper divisors (54545158158).

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

42322144242 is a wasteful number, since it uses less digits than its factorization.

42322144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364310.

The product of its digits is 24576, while the sum is 30.

Adding to 42322144242 its reverse (24244122324), we get a palindrome (66566266566).

The spelling of 42322144242 in words is "forty-two billion, three hundred twenty-two million, one hundred forty-four thousand, two hundred forty-two".