450137320 has 16 divisors (see below), whose sum is σ = 1012809060. Its totient is φ = 180054912.

The previous prime is 450137309. The next prime is 450137323. The reversal of 450137320 is 23731054.

It can be written as a sum of positive squares in 2 ways, for example, as 438399844 + 11737476 = 20938^2 + 3426^2 .

It is not an unprimeable number, because it can be changed into a prime (450137323) 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, 5626677 + ... + 5626756.

Almost surely, 2^450137320 is an apocalyptic number.

450137320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450137320 is an abundant number, since it is smaller than the sum of its proper divisors (562671740).

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

450137320 is a wasteful number, since it uses less digits than its factorization.

450137320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253444 (or 11253440 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 450137320 is about 21216.4398521524. The cubic root of 450137320 is about 766.3873723263.

Adding to 450137320 its reverse (23731054), we get a palindrome (473868374).

The spelling of 450137320 in words is "four hundred fifty million, one hundred thirty-seven thousand, three hundred twenty".