450500320 has 24 divisors (see below), whose sum is σ = 1064307384. Its totient is φ = 180200064.

The previous prime is 450500273. The next prime is 450500329. The reversal of 450500320 is 23005054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450500329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407654 + ... + 1407973.

It is an arithmetic number, because the mean of its divisors is an integer number (44346141).

Almost surely, 2^450500320 is an apocalyptic number.

450500320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450500320 is an abundant number, since it is smaller than the sum of its proper divisors (613807064).

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

450500320 is a wasteful number, since it uses less digits than its factorization.

450500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815642 (or 2815634 counting only the distinct ones).

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

The square root of 450500320 is about 21224.9928150753. The cubic root of 450500320 is about 766.5933271580.

Adding to 450500320 its reverse (23005054), we get a palindrome (473505374).

The spelling of 450500320 in words is "four hundred fifty million, five hundred thousand, three hundred twenty".