450228612 has 48 divisors (see below), whose sum is σ = 1122230592. Its totient is φ = 139991040.

The previous prime is 450228607. The next prime is 450228641. The reversal of 450228612 is 216822054.

It is a self number, because there is not a number n which added to its sum of digits gives 450228612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13287 + ... + 32817.

It is an arithmetic number, because the mean of its divisors is an integer number (23379804).

Almost surely, 2^450228612 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 450228612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561115296).

450228612 is an abundant number, since it is smaller than the sum of its proper divisors (672001980).

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

450228612 is a wasteful number, since it uses less digits than its factorization.

450228612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668 (or 19666 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 450228612 is about 21218.5911879182. The cubic root of 450228612 is about 766.4391789667.

The spelling of 450228612 in words is "four hundred fifty million, two hundred twenty-eight thousand, six hundred twelve".