42078930739608 has 256 divisors, whose sum is σ = 125248984842240. Its totient is φ = 11527608960000.

The previous prime is 42078930739603. The next prime is 42078930739627. The reversal of 42078930739608 is 80693703987024.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42078930739603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 496681060 + ... + 496765772.

It is an arithmetic number, because the mean of its divisors is an integer number (489253847040).

Almost surely, 2^{42078930739608} 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 42078930739608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62624492421120).

42078930739608 is an abundant number, since it is smaller than the sum of its proper divisors (83170054102632).

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

42078930739608 is a wasteful number, since it uses less digits than its factorization.

42078930739608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85638 (or 85634 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 42078930739608 in words is "forty-two trillion, seventy-eight billion, nine hundred thirty million, seven hundred thirty-nine thousand, six hundred eight".