442440024402 has 16 divisors (see below), whose sum is σ = 896081063040. Its totient is φ = 145613172432.

The previous prime is 442440024371. The next prime is 442440024407. The reversal of 442440024402 is 204420044244.

It is a self number, because there is not a number n which added to its sum of digits gives 442440024402.

It is not an unprimeable number, because it can be changed into a prime (442440024407) 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 7 ways as a sum of consecutive naturals, for example, 466708413 + ... + 466709360.

It is an arithmetic number, because the mean of its divisors is an integer number (56005066440).

Almost surely, 2^442440024402 is an apocalyptic number.

442440024402 is an abundant number, since it is smaller than the sum of its proper divisors (453641038638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442440024402 is a wasteful number, since it uses less digits than its factorization.

442440024402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933417857.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 442440024402 its reverse (204420044244), we get a palindrome (646860068646).

The spelling of 442440024402 in words is "four hundred forty-two billion, four hundred forty million, twenty-four thousand, four hundred two".