2021844050 has 18 divisors (see below), whose sum is σ = 3761221413. Its totient is φ = 808610440.

The previous prime is 2021844043. The next prime is 2021844079. The reversal of 2021844050 is 504481202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1981407169 + 40436881 = 44513^2 + 6359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=31795.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 314771 + ... + 321129.

Almost surely, 2^2021844050 is an apocalyptic number.

2021844050 is a deficient number, since it is larger than the sum of its proper divisors (1739377363).

2021844050 is an frugal number, since it uses more digits than its factorization.

2021844050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2021844050 is about 44964.9202156526. The cubic root of 2021844050 is about 1264.4914139194.

The spelling of 2021844050 in words is "two billion, twenty-one million, eight hundred forty-four thousand, fifty".