42204142242 has 24 divisors (see below), whose sum is σ = 91470545244. Its totient is φ = 14063703264.

The previous prime is 42204142223. The next prime is 42204142247. The reversal of 42204142242 is 24224140224.

42204142242 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 414 + 2 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25436741121 + 16767401121 = 159489^2 + 129489^2 .

It is not an unprimeable number, because it can be changed into a prime (42204142247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301833 + ... + 418940.

Almost surely, 2^42204142242 is an apocalyptic number.

42204142242 is an abundant number, since it is smaller than the sum of its proper divisors (49266403002).

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

42204142242 is a wasteful number, since it uses less digits than its factorization.

42204142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724034 (or 724031 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 42204142242 its reverse (24224140224), we get a palindrome (66428282466).

The spelling of 42204142242 in words is "forty-two billion, two hundred four million, one hundred forty-two thousand, two hundred forty-two".