450231531312320 has 56 divisors (see below), whose sum is σ = 1072239778852704. Its totient is φ = 180071456423936.

The previous prime is 450231531312281. The next prime is 450231531312373. The reversal of 450231531312320 is 23213135132054.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79912604 + ... + 85360923.

It is an arithmetic number, because the mean of its divisors is an integer number (19147138908084).

Almost surely, 2^{450231531312320} is an apocalyptic number.

450231531312320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450231531312320 is an abundant number, since it is smaller than the sum of its proper divisors (622008247540384).

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

450231531312320 is a wasteful number, since it uses less digits than its factorization.

450231531312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165282057 (or 165282047 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 450231531312320 its reverse (23213135132054), we get a palindrome (473444666444374).

The spelling of 450231531312320 in words is "four hundred fifty trillion, two hundred thirty-one billion, five hundred thirty-one million, three hundred twelve thousand, three hundred twenty".