8071042842 has 48 divisors (see below), whose sum is σ = 18792326592. Its totient is φ = 2494293120.

The previous prime is 8071042807. The next prime is 8071042873. The reversal of 8071042842 is 2482401708.

It is a junction number, because it is equal to n+sod(n) for n = 8071042797 and 8071042806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176334 + ... + 217337.

It is an arithmetic number, because the mean of its divisors is an integer number (391506804).

Almost surely, 2^8071042842 is an apocalyptic number.

8071042842 is an abundant number, since it is smaller than the sum of its proper divisors (10721283750).

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

8071042842 is a wasteful number, since it uses less digits than its factorization.

8071042842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393763 (or 393760 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 8071042842 is about 89838.9828637880. The cubic root of 8071042842 is about 2005.9027981809.

The spelling of 8071042842 in words is "eight billion, seventy-one million, forty-two thousand, eight hundred forty-two".