2042021244 has 12 divisors (see below), whose sum is σ = 4764716264. Its totient is φ = 680673744.

The previous prime is 2042021239. The next prime is 2042021291. The reversal of 2042021244 is 4421202402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2042021244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85084207 + ... + 85084230.

Almost surely, 2^2042021244 is an apocalyptic number.

It is an amenable number.

2042021244 is an abundant number, since it is smaller than the sum of its proper divisors (2722695020).

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

2042021244 is a wasteful number, since it uses less digits than its factorization.

2042021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170168444 (or 170168442 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2042021244 is about 45188.7291700043. The cubic root of 2042021244 is about 1268.6838710015.

Adding to 2042021244 its reverse (4421202402), we get a palindrome (6463223646).

The spelling of 2042021244 in words is "two billion, forty-two million, twenty-one thousand, two hundred forty-four".