2042806844 has 12 divisors (see below), whose sum is σ = 3849905304. Its totient is φ = 942833904.

The previous prime is 2042806789. The next prime is 2042806849. The reversal of 2042806844 is 4486082402.

It is a junction number, because it is equal to n+sod(n) for n = 2042806798 and 2042806807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042806849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19642322 + ... + 19642425.

It is an arithmetic number, because the mean of its divisors is an integer number (320825442).

Almost surely, 2^2042806844 is an apocalyptic number.

It is an amenable number.

2042806844 is a deficient number, since it is larger than the sum of its proper divisors (1807098460).

2042806844 is a wasteful number, since it uses less digits than its factorization.

2042806844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284764 (or 39284762 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 2042806844 is about 45197.4207671190. The cubic root of 2042806844 is about 1268.8465448336.

The spelling of 2042806844 in words is "two billion, forty-two million, eight hundred six thousand, eight hundred forty-four".