447447696672 has 48 divisors (see below), whose sum is σ = 1175115144672. Its totient is φ = 149077493760.

The previous prime is 447447696659. The next prime is 447447696679. The reversal of 447447696672 is 276696744744.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (447447696679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920098 + ... + 1319649.

It is an arithmetic number, because the mean of its divisors is an integer number (24481565514).

Almost surely, 2^447447696672 is an apocalyptic number.

It is an amenable number.

447447696672 is an abundant number, since it is smaller than the sum of its proper divisors (727667448000).

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

447447696672 is a wasteful number, since it uses less digits than its factorization.

447447696672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241841 (or 2241833 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 66.

The spelling of 447447696672 in words is "four hundred forty-seven billion, four hundred forty-seven million, six hundred ninety-six thousand, six hundred seventy-two".