2042142404 has 6 divisors (see below), whose sum is σ = 3573749214. Its totient is φ = 1021071200.

The previous prime is 2042142383. The next prime is 2042142437. The reversal of 2042142404 is 4042412402.

It can be written as a sum of positive squares in only one way, i.e., 1754772100 + 287370304 = 41890^2 + 16952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2042142404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 255267797 + ... + 255267804.

It is an arithmetic number, because the mean of its divisors is an integer number (595624869).

Almost surely, 2^2042142404 is an apocalyptic number.

It is an amenable number.

2042142404 is a deficient number, since it is larger than the sum of its proper divisors (1531606810).

2042142404 is a wasteful number, since it uses less digits than its factorization.

2042142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510535605 (or 510535603 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2042142404 is about 45190.0697498908. The cubic root of 2042142404 is about 1268.7089622680.

Adding to 2042142404 its reverse (4042412402), we get a palindrome (6084554806).

The spelling of 2042142404 in words is "two billion, forty-two million, one hundred forty-two thousand, four hundred four".