450544530 has 32 divisors (see below), whose sum is σ = 1138219200. Its totient is φ = 113821632.

The previous prime is 450544529. The next prime is 450544543. The reversal of 450544530 is 35445054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 394645 + ... + 395784.

It is an arithmetic number, because the mean of its divisors is an integer number (35569350).

Almost surely, 2^450544530 is an apocalyptic number.

450544530 is an abundant number, since it is smaller than the sum of its proper divisors (687674670).

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

450544530 is a wasteful number, since it uses less digits than its factorization.

450544530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790458.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 450544530 is about 21226.0342504199. The cubic root of 450544530 is about 766.6184029689.

Adding to 450544530 its reverse (35445054), we get a palindrome (485989584).

The spelling of 450544530 in words is "four hundred fifty million, five hundred forty-four thousand, five hundred thirty".