42639830016 has 88 divisors (see below), whose sum is σ = 129886571520. Its totient is φ = 12182802432.

The previous prime is 42639830003. The next prime is 42639830017. The reversal of 42639830016 is 61003893624.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 42639830016.

It is not an unprimeable number, because it can be changed into a prime (42639830017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969936 + ... + 1012943.

Almost surely, 2^42639830016 is an apocalyptic number.

It is an amenable number.

42639830016 is an abundant number, since it is smaller than the sum of its proper divisors (87246741504).

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

42639830016 is a wasteful number, since it uses less digits than its factorization.

42639830016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982909 (or 1982891 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 42639830016 in words is "forty-two billion, six hundred thirty-nine million, eight hundred thirty thousand, sixteen".