447180815912 has 16 divisors (see below), whose sum is σ = 850978419360. Its totient is φ = 220253237424.

The previous prime is 447180815911. The next prime is 447180815947. The reversal of 447180815912 is 219518081744.

It is not an unprimeable number, because it can be changed into a prime (447180815911) 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, 417145748 + ... + 417146819.

It is an arithmetic number, because the mean of its divisors is an integer number (53186151210).

Almost surely, 2^447180815912 is an apocalyptic number.

It is an amenable number.

447180815912 is a deficient number, since it is larger than the sum of its proper divisors (403797603448).

447180815912 is a wasteful number, since it uses less digits than its factorization.

447180815912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834292640 (or 834292636 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 447180815912 in words is "four hundred forty-seven billion, one hundred eighty million, eight hundred fifteen thousand, nine hundred twelve".