2142320316828 has 48 divisors (see below), whose sum is σ = 5063680185984. Its totient is φ = 704878850880.

The previous prime is 2142320316793. The next prime is 2142320316859. The reversal of 2142320316828 is 8286130232412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142320316828.

It is a congruent number.

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, 2656018 + ... + 3367353.

It is an arithmetic number, because the mean of its divisors is an integer number (105493337208).

Almost surely, 2^{2142320316828} is an apocalyptic number.

It is an amenable number.

2142320316828 is an abundant number, since it is smaller than the sum of its proper divisors (2921359869156).

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

2142320316828 is a wasteful number, since it uses less digits than its factorization.

2142320316828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023762 (or 6023760 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 2142320316828 in words is "two trillion, one hundred forty-two billion, three hundred twenty million, three hundred sixteen thousand, eight hundred twenty-eight".