450028660 has 24 divisors (see below), whose sum is σ = 945727776. Its totient is φ = 179884320.

The previous prime is 450028651. The next prime is 450028679. The reversal of 450028660 is 66820054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24259 + ... + 38581.

It is an arithmetic number, because the mean of its divisors is an integer number (39405324).

Almost surely, 2^450028660 is an apocalyptic number.

It is an amenable number.

450028660 is an abundant number, since it is smaller than the sum of its proper divisors (495699116).

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

450028660 is a wasteful number, since it uses less digits than its factorization.

450028660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15903 (or 15901 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 450028660 is about 21213.8789475192. The cubic root of 450028660 is about 766.3257005136.

The spelling of 450028660 in words is "four hundred fifty million, twenty-eight thousand, six hundred sixty".