42542234330 has 16 divisors (see below), whose sum is σ = 76860695880. Its totient is φ = 16953632832.

The previous prime is 42542234323. The next prime is 42542234333. The reversal of 42542234330 is 3343224524.

It can be written as a sum of positive squares in 4 ways, for example, as 18425076121 + 24117158209 = 135739^2 + 155297^2 .

It is a super-3 number, since 3×42542234330³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42542234333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904789 + ... + 7910168.

Almost surely, 2^42542234330 is an apocalyptic number.

42542234330 is a deficient number, since it is larger than the sum of its proper divisors (34318461550).

42542234330 is a wasteful number, since it uses less digits than its factorization.

42542234330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815233.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 42542234330 its reverse (3343224524), we get a palindrome (45885458854).

The spelling of 42542234330 in words is "forty-two billion, five hundred forty-two million, two hundred thirty-four thousand, three hundred thirty".