442150384252 has 12 divisors (see below), whose sum is σ = 773812264680. Its totient is φ = 221061165776.

The previous prime is 442150384243. The next prime is 442150384259. The reversal of 442150384252 is 252483051244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442150384259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435502 + ... + 3561877.

It is an arithmetic number, because the mean of its divisors is an integer number (64484355390).

Almost surely, 2^442150384252 is an apocalyptic number.

It is an amenable number.

442150384252 is a deficient number, since it is larger than the sum of its proper divisors (331661880428).

442150384252 is a wasteful number, since it uses less digits than its factorization.

442150384252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013180 (or 7013178 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 442150384252 in words is "four hundred forty-two billion, one hundred fifty million, three hundred eighty-four thousand, two hundred fifty-two".