450005320 has 32 divisors (see below), whose sum is σ = 1036062720. Its totient is φ = 175815360.

The previous prime is 450005293. The next prime is 450005321. The reversal of 450005320 is 23500054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (450005321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129096 + ... + 132535.

It is an arithmetic number, because the mean of its divisors is an integer number (32376960).

Almost surely, 2^450005320 is an apocalyptic number.

450005320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450005320 is an abundant number, since it is smaller than the sum of its proper divisors (586057400).

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

450005320 is a wasteful number, since it uses less digits than its factorization.

450005320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261685 (or 261681 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 450005320 is about 21213.3288288284. The cubic root of 450005320 is about 766.3124522085.

Adding to 450005320 its reverse (23500054), we get a palindrome (473505374).

The spelling of 450005320 in words is "four hundred fifty million, five thousand, three hundred twenty".