450513320 has 16 divisors (see below), whose sum is σ = 1013655060. Its totient is φ = 180205312.

The previous prime is 450513319. The next prime is 450513331. The reversal of 450513320 is 23315054.

It can be written as a sum of positive squares in 2 ways, for example, as 423618724 + 26894596 = 20582^2 + 5186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631377 + ... + 5631456.

Almost surely, 2^450513320 is an apocalyptic number.

450513320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450513320 is an abundant number, since it is smaller than the sum of its proper divisors (563141740).

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

450513320 is a wasteful number, since it uses less digits than its factorization.

450513320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262844 (or 11262840 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 450513320 is about 21225.2990556081. The cubic root of 450513320 is about 766.6007008986.

Adding to 450513320 its reverse (23315054), we get a palindrome (473828374).

The spelling of 450513320 in words is "four hundred fifty million, five hundred thirteen thousand, three hundred twenty".