2081846940 has 24 divisors (see below), whose sum is σ = 5829171600. Its totient is φ = 555159168.

The previous prime is 2081846933. The next prime is 2081846951. The reversal of 2081846940 is 496481802.

It is a junction number, because it is equal to n+sod(n) for n = 2081846892 and 2081846901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17348665 + ... + 17348784.

It is an arithmetic number, because the mean of its divisors is an integer number (242882150).

Almost surely, 2^2081846940 is an apocalyptic number.

2081846940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081846940 is an abundant number, since it is smaller than the sum of its proper divisors (3747324660).

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

2081846940 is a wasteful number, since it uses less digits than its factorization.

2081846940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34697461 (or 34697459 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2081846940 is about 45627.2609302816. The cubic root of 2081846940 is about 1276.8785717951.

The spelling of 2081846940 in words is "two billion, eighty-one million, eight hundred forty-six thousand, nine hundred forty".