2042404004 has 12 divisors (see below), whose sum is σ = 3784454604. Its totient is φ = 961131264.

The previous prime is 2042403997. The next prime is 2042404009. The reversal of 2042404004 is 4004042402.

It can be written as a sum of positive squares in 2 ways, for example, as 1384584100 + 657819904 = 37210^2 + 25648^2 .

It is not an unprimeable number, because it can be changed into a prime (2042404009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15017609 + ... + 15017744.

It is an arithmetic number, because the mean of its divisors is an integer number (315371217).

Almost surely, 2^2042404004 is an apocalyptic number.

It is an amenable number.

2042404004 is a deficient number, since it is larger than the sum of its proper divisors (1742050600).

2042404004 is a wasteful number, since it uses less digits than its factorization.

2042404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035374 (or 30035372 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2042404004 is about 45192.9640984081. The cubic root of 2042404004 is about 1268.7631341502.

Adding to 2042404004 its reverse (4004042402), we get a palindrome (6046446406).

The spelling of 2042404004 in words is "two billion, forty-two million, four hundred four thousand, four".