450310212 has 144 divisors (see below), whose sum is σ = 1359408960. Its totient is φ = 128367360.

The previous prime is 450310171. The next prime is 450310213. The reversal of 450310212 is 212013054.

450310212 is a `hidden beast` number, since 450 + 3 + 1 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (450310213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221143 + ... + 223169.

It is an arithmetic number, because the mean of its divisors is an integer number (9440340).

Almost surely, 2^450310212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450310212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679704480).

450310212 is an abundant number, since it is smaller than the sum of its proper divisors (909098748).

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

450310212 is a wasteful number, since it uses less digits than its factorization.

450310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 450310212 is about 21220.5139428808. The cubic root of 450310212 is about 766.4854796365.

Adding to 450310212 its reverse (212013054), we get a palindrome (662323266).

The spelling of 450310212 in words is "four hundred fifty million, three hundred ten thousand, two hundred twelve".