450985816 has 16 divisors (see below), whose sum is σ = 846381600. Its totient is φ = 225284064.

The previous prime is 450985813. The next prime is 450985819. The reversal of 450985816 is 618589054.

It is an interprime number because it is at equal distance from previous prime (450985813) and next prime (450985819).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450985813) 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 3 ways as a sum of consecutive naturals, for example, 16731 + ... + 34378.

It is an arithmetic number, because the mean of its divisors is an integer number (52898850).

Almost surely, 2^450985816 is an apocalyptic number.

It is an amenable number.

450985816 is a deficient number, since it is larger than the sum of its proper divisors (395395784).

450985816 is a wasteful number, since it uses less digits than its factorization.

450985816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52218 (or 52214 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 450985816 is about 21236.4266297322. The cubic root of 450985816 is about 766.8686095207.

The spelling of 450985816 in words is "four hundred fifty million, nine hundred eighty-five thousand, eight hundred sixteen".