84040216837420 has 12 divisors (see below), whose sum is σ = 176484455358624. Its totient is φ = 33616086734960.

The previous prime is 84040216837417. The next prime is 84040216837441. The reversal of 84040216837420 is 2473861204048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101005420916 + ... + 2101005420955.

It is an arithmetic number, because the mean of its divisors is an integer number (14707037946552).

Almost surely, 2^{84040216837420} is an apocalyptic number.

It is an amenable number.

84040216837420 is an abundant number, since it is smaller than the sum of its proper divisors (92444238521204).

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

84040216837420 is a wasteful number, since it uses less digits than its factorization.

84040216837420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202010841880 (or 4202010841878 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 84040216837420 in words is "eighty-four trillion, forty billion, two hundred sixteen million, eight hundred thirty-seven thousand, four hundred twenty".