2821112340 has 48 divisors (see below), whose sum is σ = 7902740160. Its totient is φ = 751951360.

The previous prime is 2821112339. The next prime is 2821112351. The reversal of 2821112340 is 432111282.

It is a self number, because there is not a number n which added to its sum of digits gives 2821112340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137980 + ... + 157100.

It is an arithmetic number, because the mean of its divisors is an integer number (164640420).

Almost surely, 2^2821112340 is an apocalyptic number.

2821112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2821112340 is an abundant number, since it is smaller than the sum of its proper divisors (5081627820).

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

2821112340 is a wasteful number, since it uses less digits than its factorization.

2821112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21592 (or 21590 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2821112340 is about 53114.1444438296. The cubic root of 2821112340 is about 1412.9933791109.

The spelling of 2821112340 in words is "two billion, eight hundred twenty-one million, one hundred twelve thousand, three hundred forty".