442340235 has 48 divisors (see below), whose sum is σ = 816285600. Its totient is φ = 220948992.

The previous prime is 442340191. The next prime is 442340237. The reversal of 442340235 is 532043244.

442340235 is a `hidden beast` number, since 4 + 423 + 4 + 0 + 235 = 666.

It is not a de Polignac number, because 442340235 - 2¹⁰ = 442339211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442340199 and 442340208.

It is not an unprimeable number, because it can be changed into a prime (442340237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73189 + ... + 79001.

It is an arithmetic number, because the mean of its divisors is an integer number (17005950).

Almost surely, 2^442340235 is an apocalyptic number.

442340235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

442340235 is a deficient number, since it is larger than the sum of its proper divisors (373945365).

442340235 is a wasteful number, since it uses less digits than its factorization.

442340235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932 (or 5929 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 442340235 is about 21031.8861493685. The cubic root of 442340235 is about 761.9365634255.

Adding to 442340235 its reverse (532043244), we get a palindrome (974383479).

The spelling of 442340235 in words is "four hundred forty-two million, three hundred forty thousand, two hundred thirty-five".