447942180 has 192 divisors, whose sum is σ = 1554094080. Its totient is φ = 94058496.

The previous prime is 447942151. The next prime is 447942191. The reversal of 447942180 is 81249744.

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 63 ways as a sum of consecutive naturals, for example, 306291 + ... + 307749.

It is an arithmetic number, because the mean of its divisors is an integer number (8094240).

Almost surely, 2^447942180 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 447942180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777047040).

447942180 is an abundant number, since it is smaller than the sum of its proper divisors (1106151900).

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

447942180 is a wasteful number, since it uses less digits than its factorization.

447942180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 447942180 is about 21164.6445753289. The cubic root of 447942180 is about 765.1395533352.

The spelling of 447942180 in words is "four hundred forty-seven million, nine hundred forty-two thousand, one hundred eighty".