42433042042 has 4 divisors (see below), whose sum is σ = 63649563066. Its totient is φ = 21216521020.

The previous prime is 42433042037. The next prime is 42433042139. The reversal of 42433042042 is 24024033424.

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., 31608928521 + 10824113521 = 177789^2 + 104039^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42433042042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10608260509 + ... + 10608260512.

Almost surely, 2^42433042042 is an apocalyptic number.

42433042042 is a deficient number, since it is larger than the sum of its proper divisors (21216521024).

42433042042 is a wasteful number, since it uses less digits than its factorization.

42433042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216521023.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42433042042 its reverse (24024033424), we get a palindrome (66457075466).

The spelling of 42433042042 in words is "forty-two billion, four hundred thirty-three million, forty-two thousand, forty-two".