450548240 has 40 divisors (see below), whose sum is σ = 1048766208. Its totient is φ = 180005760.

The previous prime is 450548237. The next prime is 450548261. The reversal of 450548240 is 42845054.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 450548197 and 450548206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76439 + ... + 82121.

Almost surely, 2^450548240 is an apocalyptic number.

450548240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450548240 is an abundant number, since it is smaller than the sum of its proper divisors (598217968).

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

450548240 is a wasteful number, since it uses less digits than its factorization.

450548240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 450548240 is about 21226.1216429191. The cubic root of 450548240 is about 766.6205071978.

The spelling of 450548240 in words is "four hundred fifty million, five hundred forty-eight thousand, two hundred forty".