442430401231 has 16 divisors (see below), whose sum is σ = 544557428800. Its totient is φ = 350037013248.

The previous prime is 442430401169. The next prime is 442430401243. The reversal of 442430401231 is 132104034244.

It is not a de Polignac number, because 442430401231 - 2⁷ = 442430401103 is a prime.

It is a super-2 number, since 2×442430401231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442430401231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442430401261) 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 15 ways as a sum of consecutive naturals, for example, 1846225 + ... + 2072053.

It is an arithmetic number, because the mean of its divisors is an integer number (34034839300).

Almost surely, 2^442430401231 is an apocalyptic number.

442430401231 is a deficient number, since it is larger than the sum of its proper divisors (102127027569).

442430401231 is a wasteful number, since it uses less digits than its factorization.

442430401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247378.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 442430401231 its reverse (132104034244), we get a palindrome (574534435475).

The spelling of 442430401231 in words is "four hundred forty-two billion, four hundred thirty million, four hundred one thousand, two hundred thirty-one".