447666523472672 has 48 divisors (see below), whose sum is σ = 1021436293030272. Its totient is φ = 189154869066240.

The previous prime is 447666523472629. The next prime is 447666523472681. The reversal of 447666523472672 is 276274325666744.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a junction number, because it is equal to n+sod(n) for n = 447666523472596 and 447666523472605.

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, 14074007093 + ... + 14074038900.

It is an arithmetic number, because the mean of its divisors is an integer number (21279922771464).

Almost surely, 2^{447666523472672} is an apocalyptic number.

It is an amenable number.

447666523472672 is an abundant number, since it is smaller than the sum of its proper divisors (573769769557600).

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

447666523472672 is a wasteful number, since it uses less digits than its factorization.

447666523472672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148046081 (or 28148046073 counting only the distinct ones).

The product of its digits is 3413975040, while the sum is 71.

The spelling of 447666523472672 in words is "four hundred forty-seven trillion, six hundred sixty-six billion, five hundred twenty-three million, four hundred seventy-two thousand, six hundred seventy-two".