450004324 has 72 divisors (see below), whose sum is σ = 994754880. Its totient is φ = 174356160.

The previous prime is 450004301. The next prime is 450004327. The reversal of 450004324 is 423400054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 450004295 and 450004304.

It is not an unprimeable number, because it can be changed into a prime (450004327) 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 23 ways as a sum of consecutive naturals, for example, 1073787 + ... + 1074205.

It is an arithmetic number, because the mean of its divisors is an integer number (13816040).

Almost surely, 2^450004324 is an apocalyptic number.

450004324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450004324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497377440).

450004324 is an abundant number, since it is smaller than the sum of its proper divisors (544750556).

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

450004324 is a wasteful number, since it uses less digits than its factorization.

450004324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 450004324 is about 21213.3053530090. The cubic root of 450004324 is about 766.3118868464.

Adding to 450004324 its reverse (423400054), we get a palindrome (873404378).

The spelling of 450004324 in words is "four hundred fifty million, four thousand, three hundred twenty-four".