447788460 has 144 divisors (see below), whose sum is σ = 1467196416. Its totient is φ = 101743488.

The previous prime is 447788441. The next prime is 447788477. The reversal of 447788460 is 64887744.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 655279 + ... + 655961.

It is an arithmetic number, because the mean of its divisors is an integer number (10188864).

Almost surely, 2^447788460 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 447788460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733598208).

447788460 is an abundant number, since it is smaller than the sum of its proper divisors (1019407956).

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

447788460 is a wasteful number, since it uses less digits than its factorization.

447788460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 48.

The square root of 447788460 is about 21161.0127356892. The cubic root of 447788460 is about 765.0520191890.

The spelling of 447788460 in words is "four hundred forty-seven million, seven hundred eighty-eight thousand, four hundred sixty".