450305320 has 32 divisors (see below), whose sum is σ = 1066514400. Its totient is φ = 170641728.

The previous prime is 450305257. The next prime is 450305321. The reversal of 450305320 is 23503054.

It is a junction number, because it is equal to n+sod(n) for n = 450305291 and 450305300.

It is not an unprimeable number, because it can be changed into a prime (450305321) 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, 295494 + ... + 297013.

It is an arithmetic number, because the mean of its divisors is an integer number (33328575).

Almost surely, 2^450305320 is an apocalyptic number.

450305320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450305320 is an abundant number, since it is smaller than the sum of its proper divisors (616209080).

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

450305320 is a wasteful number, since it uses less digits than its factorization.

450305320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592537 (or 592533 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 450305320 is about 21220.3986767450. The cubic root of 450305320 is about 766.4827040236.

Adding to 450305320 its reverse (23503054), we get a palindrome (473808374).

The spelling of 450305320 in words is "four hundred fifty million, three hundred five thousand, three hundred twenty".