450423324 has 72 divisors (see below), whose sum is σ = 1229613840. Its totient is φ = 138200832.

The previous prime is 450423317. The next prime is 450423349. The reversal of 450423324 is 423324054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194944 + ... + 197240.

It is an arithmetic number, because the mean of its divisors is an integer number (17077970).

Almost surely, 2^450423324 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 450423324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614806920).

450423324 is an abundant number, since it is smaller than the sum of its proper divisors (779190516).

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

450423324 is a wasteful number, since it uses less digits than its factorization.

450423324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 450423324 is about 21223.1789324785. The cubic root of 450423324 is about 766.5496512861.

Adding to 450423324 its reverse (423324054), we get a palindrome (873747378).

The spelling of 450423324 in words is "four hundred fifty million, four hundred twenty-three thousand, three hundred twenty-four".