450899680 has 96 divisors (see below), whose sum is σ = 1328140800. Its totient is φ = 140536320.

The previous prime is 450899671. The next prime is 450899731. The reversal of 450899680 is 86998054.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 30619.

It is an arithmetic number, because the mean of its divisors is an integer number (13834800).

Almost surely, 2^450899680 is an apocalyptic number.

450899680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450899680 is an abundant number, since it is smaller than the sum of its proper divisors (877241120).

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

450899680 is a wasteful number, since it uses less digits than its factorization.

450899680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632 (or 36624 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 450899680 is about 21234.3985080812. The cubic root of 450899680 is about 766.8197837425.

The spelling of 450899680 in words is "four hundred fifty million, eight hundred ninety-nine thousand, six hundred eighty".