42239784000 has 112 divisors (see below), whose sum is σ = 139475846016. Its totient is φ = 11263936000.

The previous prime is 42239783947. The next prime is 42239784017. The reversal of 42239784000 is 48793224.

It is a self number, because there is not a number n which added to its sum of digits gives 42239784000.

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 15 ways as a sum of consecutive naturals, for example, 855996 + ... + 903995.

Almost surely, 2^42239784000 is an apocalyptic number.

42239784000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42239784000 is an abundant number, since it is smaller than the sum of its proper divisors (97236062016).

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

42239784000 is a wasteful number, since it uses less digits than its factorization.

42239784000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760021 (or 1760001 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 42239784000 in words is "forty-two billion, two hundred thirty-nine million, seven hundred eighty-four thousand".