450323712 has 252 divisors, whose sum is σ = 1429818880. Its totient is φ = 141087744.

The previous prime is 450323711. The next prime is 450323719. The reversal of 450323712 is 217323054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450323711) 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 27 ways as a sum of consecutive naturals, for example, 3545793 + ... + 3545919.

Almost surely, 2^450323712 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 450323712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714909440).

450323712 is an abundant number, since it is smaller than the sum of its proper divisors (979495168).

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

450323712 is an equidigital number, since it uses as much as digits as its factorization.

450323712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 450323712 is about 21220.8320289286. The cubic root of 450323712 is about 766.4931391346.

Adding to 450323712 its reverse (217323054), we get a palindrome (667646766).

The spelling of 450323712 in words is "four hundred fifty million, three hundred twenty-three thousand, seven hundred twelve".