447555472 has 80 divisors (see below), whose sum is σ = 1074931200. Its totient is φ = 175781376.

The previous prime is 447555443. The next prime is 447555473. The reversal of 447555472 is 274555744.

Its product of digits (784000) is a multiple of the sum of its prime factors (2240).

It is not an unprimeable number, because it can be changed into a prime (447555473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215913 + ... + 217975.

It is an arithmetic number, because the mean of its divisors is an integer number (13436640).

Almost surely, 2^447555472 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 447555472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537465600).

447555472 is an abundant number, since it is smaller than the sum of its proper divisors (627375728).

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

447555472 is a wasteful number, since it uses less digits than its factorization.

447555472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2234 counting only the distinct ones).

The product of its digits is 784000, while the sum is 43.

The square root of 447555472 is about 21155.5068953689. The cubic root of 447555472 is about 764.9193085608.

The spelling of 447555472 in words is "four hundred forty-seven million, five hundred fifty-five thousand, four hundred seventy-two".