450521328 has 20 divisors (see below), whose sum is σ = 1163846888. Its totient is φ = 150173760.

The previous prime is 450521327. The next prime is 450521339. The reversal of 450521328 is 823125054.

It is a junction number, because it is equal to n+sod(n) for n = 450521295 and 450521304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450521321) 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, 4692883 + ... + 4692978.

Almost surely, 2^450521328 is an apocalyptic number.

450521328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

450521328 is an abundant number, since it is smaller than the sum of its proper divisors (713325560).

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

450521328 is a wasteful number, since it uses less digits than its factorization.

450521328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385872 (or 9385866 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 450521328 is about 21225.4876975772. The cubic root of 450521328 is about 766.6052430521.

The spelling of 450521328 in words is "four hundred fifty million, five hundred twenty-one thousand, three hundred twenty-eight".