42278084236 has 12 divisors (see below), whose sum is σ = 74267967312. Its totient is φ = 21058665008.

The previous prime is 42278084221. The next prime is 42278084237. The reversal of 42278084236 is 63248087224.

It is not an unprimeable number, because it can be changed into a prime (42278084237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20093095 + ... + 20095198.

It is an arithmetic number, because the mean of its divisors is an integer number (6188997276).

Almost surely, 2^42278084236 is an apocalyptic number.

It is an amenable number.

42278084236 is a deficient number, since it is larger than the sum of its proper divisors (31989883076).

42278084236 is a wasteful number, since it uses less digits than its factorization.

42278084236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40188560 (or 40188558 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 42278084236 in words is "forty-two billion, two hundred seventy-eight million, eighty-four thousand, two hundred thirty-six".