450666128 has 20 divisors (see below), whose sum is σ = 952544688. Its totient is φ = 204848160.

The previous prime is 450666121. The next prime is 450666199. The reversal of 450666128 is 821666054.

It is a junction number, because it is equal to n+sod(n) for n = 450666091 and 450666100.

It is not an unprimeable number, because it can be changed into a prime (450666121) 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, 1280126 + ... + 1280477.

Almost surely, 2^450666128 is an apocalyptic number.

It is an amenable number.

450666128 is an abundant number, since it is smaller than the sum of its proper divisors (501878560).

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

450666128 is a wasteful number, since it uses less digits than its factorization.

450666128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560622 (or 2560616 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 450666128 is about 21228.8984170164. The cubic root of 450666128 is about 766.6873646166.

The spelling of 450666128 in words is "four hundred fifty million, six hundred sixty-six thousand, one hundred twenty-eight".