447948479272 has 32 divisors (see below), whose sum is σ = 985832565120. Its totient is φ = 186789326400.

The previous prime is 447948479261. The next prime is 447948479369. The reversal of 447948479272 is 272974849744.

It is a junction number, because it is equal to n+sod(n) for n = 447948479198 and 447948479207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108093604 + ... + 108097747.

It is an arithmetic number, because the mean of its divisors is an integer number (30807267660).

Almost surely, 2^447948479272 is an apocalyptic number.

It is an amenable number.

447948479272 is an abundant number, since it is smaller than the sum of its proper divisors (537884085848).

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

447948479272 is a wasteful number, since it uses less digits than its factorization.

447948479272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216191401 (or 216191397 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 67.

The spelling of 447948479272 in words is "four hundred forty-seven billion, nine hundred forty-eight million, four hundred seventy-nine thousand, two hundred seventy-two".