2042404111 has 4 divisors (see below), whose sum is σ = 2228077224. Its totient is φ = 1856731000.

The previous prime is 2042404109. The next prime is 2042404159. The reversal of 2042404111 is 1114042402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042404111 - 2¹ = 2042404109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042404171) 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, 92836540 + ... + 92836561.

It is an arithmetic number, because the mean of its divisors is an integer number (557019306).

Almost surely, 2^2042404111 is an apocalyptic number.

2042404111 is a deficient number, since it is larger than the sum of its proper divisors (185673113).

2042404111 is a wasteful number, since it uses less digits than its factorization.

2042404111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185673112.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2042404111 is about 45192.9652822206. The cubic root of 2042404111 is about 1268.7631563067.

Adding to 2042404111 its reverse (1114042402), we get a palindrome (3156446513).

The spelling of 2042404111 in words is "two billion, forty-two million, four hundred four thousand, one hundred eleven".