442035111 has 16 divisors (see below), whose sum is σ = 680524544. Its totient is φ = 249986304.

The previous prime is 442035103. The next prime is 442035131. The reversal of 442035111 is 111530244.

It is not a de Polignac number, because 442035111 - 2³ = 442035103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442035131) 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 15 ways as a sum of consecutive naturals, for example, 106465 + ... + 110538.

It is an arithmetic number, because the mean of its divisors is an integer number (42532784).

Almost surely, 2^442035111 is an apocalyptic number.

442035111 is a deficient number, since it is larger than the sum of its proper divisors (238489433).

442035111 is a wasteful number, since it uses less digits than its factorization.

442035111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217110.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 442035111 is about 21024.6310550269. The cubic root of 442035111 is about 761.7613298310.

Adding to 442035111 its reverse (111530244), we get a palindrome (553565355).

The spelling of 442035111 in words is "four hundred forty-two million, thirty-five thousand, one hundred eleven".