42423729242 has 8 divisors (see below), whose sum is σ = 63638312736. Its totient is φ = 21210958332.

The previous prime is 42423729217. The next prime is 42423729259. The reversal of 42423729242 is 24292732424.

42423729242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42423729242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393038 + ... + 489209.

It is an arithmetic number, because the mean of its divisors is an integer number (7954789092).

Almost surely, 2^42423729242 is an apocalyptic number.

42423729242 is a deficient number, since it is larger than the sum of its proper divisors (21214583494).

42423729242 is a wasteful number, since it uses less digits than its factorization.

42423729242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906292.

The product of its digits is 387072, while the sum is 41.

The spelling of 42423729242 in words is "forty-two billion, four hundred twenty-three million, seven hundred twenty-nine thousand, two hundred forty-two".