2042445208 has 16 divisors (see below), whose sum is σ = 3834227880. Its totient is φ = 1019984448.

The previous prime is 2042445203. The next prime is 2042445221. The reversal of 2042445208 is 8025442402.

It is a self number, because there is not a number n which added to its sum of digits gives 2042445208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042445203) by changing a digit.

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, 147741 + ... + 160972.

Almost surely, 2^2042445208 is an apocalyptic number.

It is an amenable number.

2042445208 is a deficient number, since it is larger than the sum of its proper divisors (1791782672).

2042445208 is a wasteful number, since it uses less digits than its factorization.

2042445208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309546 (or 309542 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 2042445208 is about 45193.4199635301. The cubic root of 2042445208 is about 1268.7716662142.

The spelling of 2042445208 in words is "two billion, forty-two million, four hundred forty-five thousand, two hundred eight".