450885505 has 32 divisors (see below), whose sum is σ = 633888000. Its totient is φ = 307754496.

The previous prime is 450885503. The next prime is 450885517. The reversal of 450885505 is 505588054.

It is not a de Polignac number, because 450885505 - 2¹ = 450885503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450885503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484881 + ... + 485809.

It is an arithmetic number, because the mean of its divisors is an integer number (19809000).

Almost surely, 2^450885505 is an apocalyptic number.

It is an amenable number.

450885505 is a deficient number, since it is larger than the sum of its proper divisors (183002495).

450885505 is an equidigital number, since it uses as much as digits as its factorization.

450885505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 450885505 is about 21234.0647309930. The cubic root of 450885505 is about 766.8117481159.

The spelling of 450885505 in words is "four hundred fifty million, eight hundred eighty-five thousand, five hundred five".