42038038422 has 64 divisors (see below), whose sum is σ = 98849894400. Its totient is φ = 13205604960.

The previous prime is 42038038421. The next prime is 42038038433. The reversal of 42038038422 is 22483083024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42038038421) 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 31 ways as a sum of consecutive naturals, for example, 88708 + ... + 303224.

It is an arithmetic number, because the mean of its divisors is an integer number (1544529600).

Almost surely, 2^42038038422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42038038422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49424947200).

42038038422 is an abundant number, since it is smaller than the sum of its proper divisors (56811855978).

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

42038038422 is a wasteful number, since it uses less digits than its factorization.

42038038422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214738 (or 214732 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 42038038422 in words is "forty-two billion, thirty-eight million, thirty-eight thousand, four hundred twenty-two".