840083334016 has 64 divisors (see below), whose sum is σ = 1711231033680. Its totient is φ = 410702266368.

The previous prime is 840083334007. The next prime is 840083334037. The reversal of 840083334016 is 610433380048.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 840083334016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622930 + ... + 1438126.

Almost surely, 2^840083334016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840083334016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855615516840).

840083334016 is an abundant number, since it is smaller than the sum of its proper divisors (871147699664).

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

840083334016 is an equidigital number, since it uses as much as digits as its factorization.

840083334016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815391 (or 815379 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 840083334016 in words is "eight hundred forty billion, eighty-three million, three hundred thirty-four thousand, sixteen".