42000234042 has 16 divisors (see below), whose sum is σ = 90462042720. Its totient is φ = 12923148912.

The previous prime is 42000233993. The next prime is 42000234053. The reversal of 42000234042 is 24043200024.

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 in 7 ways as a sum of consecutive naturals, for example, 269232192 + ... + 269232347.

It is an arithmetic number, because the mean of its divisors is an integer number (5653877670).

Almost surely, 2^42000234042 is an apocalyptic number.

42000234042 is an abundant number, since it is smaller than the sum of its proper divisors (48461808678).

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

42000234042 is a wasteful number, since it uses less digits than its factorization.

42000234042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538464557.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42000234042 its reverse (24043200024), we get a palindrome (66043434066).

The spelling of 42000234042 in words is "forty-two billion, two hundred thirty-four thousand, forty-two".