42890818916 has 48 divisors (see below), whose sum is σ = 86793819840. Its totient is φ = 18328965120.

The previous prime is 42890818871. The next prime is 42890818969. The reversal of 42890818916 is 61981809824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664031 + ... + 725753.

It is an arithmetic number, because the mean of its divisors is an integer number (1808204580).

Almost surely, 2^42890818916 is an apocalyptic number.

It is an amenable number.

42890818916 is an abundant number, since it is smaller than the sum of its proper divisors (43903000924).

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

42890818916 is a wasteful number, since it uses less digits than its factorization.

42890818916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62684 (or 62682 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 42890818916 in words is "forty-two billion, eight hundred ninety million, eight hundred eighteen thousand, nine hundred sixteen".