442430322225252 has 24 divisors (see below), whose sum is σ = 1086670966869600. Its totient is φ = 139714838597376.

The previous prime is 442430322225217. The next prime is 442430322225257. The reversal of 442430322225252 is 252522223034244.

It is not an unprimeable number, because it can be changed into a prime (442430322225257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970241934477 + ... + 970241934932.

It is an arithmetic number, because the mean of its divisors is an integer number (45277956952900).

Almost surely, 2^{442430322225252} is an apocalyptic number.

It is an amenable number.

442430322225252 is an abundant number, since it is smaller than the sum of its proper divisors (644240644644348).

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

442430322225252 is a wasteful number, since it uses less digits than its factorization.

442430322225252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940483869435 (or 1940483869433 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 442430322225252 its reverse (252522223034244), we get a palindrome (694952545259496).

The spelling of 442430322225252 in words is "four hundred forty-two trillion, four hundred thirty billion, three hundred twenty-two million, two hundred twenty-five thousand, two hundred fifty-two".