448643500 has 48 divisors (see below), whose sum is σ = 1006360992. Its totient is φ = 174600000.

The previous prime is 448643491. The next prime is 448643557. The reversal of 448643500 is 5346844.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6375 + ... + 30625.

It is an arithmetic number, because the mean of its divisors is an integer number (20965854).

Almost surely, 2^448643500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448643500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503180496).

448643500 is an abundant number, since it is smaller than the sum of its proper divisors (557717492).

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

448643500 is a wasteful number, since it uses less digits than its factorization.

448643500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24307 (or 24295 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 448643500 is about 21181.2062923715. The cubic root of 448643500 is about 765.5386583183.

The spelling of 448643500 in words is "four hundred forty-eight million, six hundred forty-three thousand, five hundred".