42239129922 has 48 divisors (see below), whose sum is σ = 102536284032. Its totient is φ = 12453795360.

The previous prime is 42239129897. The next prime is 42239129923. The reversal of 42239129922 is 22992193224.

It is not an unprimeable number, because it can be changed into a prime (42239129923) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2875498 + ... + 2890149.

It is an arithmetic number, because the mean of its divisors is an integer number (2136172584).

Almost surely, 2^42239129922 is an apocalyptic number.

42239129922 is an abundant number, since it is smaller than the sum of its proper divisors (60297154110).

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

42239129922 is a wasteful number, since it uses less digits than its factorization.

42239129922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765703 (or 5765700 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 42239129922 in words is "forty-two billion, two hundred thirty-nine million, one hundred twenty-nine thousand, nine hundred twenty-two".