42489983916 has 48 divisors (see below), whose sum is σ = 110963338080. Its totient is φ = 14059941120.

The previous prime is 42489983909. The next prime is 42489983929. The reversal of 42489983916 is 61938998424.

42489983916 is a `hidden beast` number, since 424 + 89 + 98 + 39 + 16 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1421065 + ... + 1450656.

It is an arithmetic number, because the mean of its divisors is an integer number (2311736210).

Almost surely, 2^42489983916 is an apocalyptic number.

It is an amenable number.

42489983916 is an abundant number, since it is smaller than the sum of its proper divisors (68473354164).

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

42489983916 is a wasteful number, since it uses less digits than its factorization.

42489983916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871871 (or 2871863 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 42489983916 in words is "forty-two billion, four hundred eighty-nine million, nine hundred eighty-three thousand, nine hundred sixteen".