424344342242 has 4 divisors (see below), whose sum is σ = 636516513366. Its totient is φ = 212172171120.

The previous prime is 424344342241. The next prime is 424344342313. The reversal of 424344342242 is 242243443424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 387729137041 + 36615205201 = 622679^2 + 191351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424344342196 and 424344342205.

It is not an unprimeable number, because it can be changed into a prime (424344342241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106086085559 + ... + 106086085562.

Almost surely, 2^424344342242 is an apocalyptic number.

424344342242 is a deficient number, since it is larger than the sum of its proper divisors (212172171124).

424344342242 is a wasteful number, since it uses less digits than its factorization.

424344342242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212172171123.

The product of its digits is 589824, while the sum is 38.

Adding to 424344342242 its reverse (242243443424), we get a palindrome (666587785666).

The spelling of 424344342242 in words is "four hundred twenty-four billion, three hundred forty-four million, three hundred forty-two thousand, two hundred forty-two".