450500646 has 16 divisors (see below), whose sum is σ = 954001584. Its totient is φ = 141333504.

The previous prime is 450500627. The next prime is 450500651. The reversal of 450500646 is 646005054.

It is a congruent number.

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, 2208235 + ... + 2208438.

It is an arithmetic number, because the mean of its divisors is an integer number (59625099).

Almost surely, 2^450500646 is an apocalyptic number.

450500646 is an abundant number, since it is smaller than the sum of its proper divisors (503500938).

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

450500646 is a wasteful number, since it uses less digits than its factorization.

450500646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416695.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 450500646 is about 21225.0004946996. Note that the first 3 decimals coincide. The cubic root of 450500646 is about 766.5935120705.

The spelling of 450500646 in words is "four hundred fifty million, five hundred thousand, six hundred forty-six".