42317239824 has 120 divisors (see below), whose sum is σ = 119640318720. Its totient is φ = 13961880576.

The previous prime is 42317239813. The next prime is 42317239837. The reversal of 42317239824 is 42893271324.

42317239824 is a `hidden beast` number, since 4 + 231 + 7 + 2 + 398 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42317239824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16905357 + ... + 16907859.

It is an arithmetic number, because the mean of its divisors is an integer number (997002656).

Almost surely, 2^42317239824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42317239824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59820159360).

42317239824 is an abundant number, since it is smaller than the sum of its proper divisors (77323078896).

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

42317239824 is a wasteful number, since it uses less digits than its factorization.

42317239824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3660 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 42317239824 in words is "forty-two billion, three hundred seventeen million, two hundred thirty-nine thousand, eight hundred twenty-four".