442134240111 has 6 divisors (see below), whose sum is σ = 638638346840. Its totient is φ = 294756160068.

The previous prime is 442134240089. The next prime is 442134240137. The reversal of 442134240111 is 111042431244.

442134240111 is a `hidden beast` number, since 4 + 4 + 213 + 42 + 401 + 1 + 1 = 666.

It is not a de Polignac number, because 442134240111 - 2¹⁰ = 442134239087 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 (442134240181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24563013331 + ... + 24563013348.

Almost surely, 2^442134240111 is an apocalyptic number.

442134240111 is a deficient number, since it is larger than the sum of its proper divisors (196504106729).

442134240111 is a wasteful number, since it uses less digits than its factorization.

442134240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49126026685 (or 49126026682 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 442134240111 its reverse (111042431244), we get a palindrome (553176671355).

The spelling of 442134240111 in words is "four hundred forty-two billion, one hundred thirty-four million, two hundred forty thousand, one hundred eleven".