447448210883856 has 960 divisors, whose sum is σ = 1648783271116800. Its totient is φ = 109919851905024.

The previous prime is 447448210883803. The next prime is 447448210883857. The reversal of 447448210883856 is 658388012844744.

447448210883856 is a `hidden beast` number, since 4 + 4 + 7 + 4 + 482 + 10 + 8 + 83 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (447448210883857) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11571218890 + ... + 11571257558.

It is an arithmetic number, because the mean of its divisors is an integer number (1717482574080).

Almost surely, 2^{447448210883856} 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 447448210883856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824391635558400).

447448210883856 is an abundant number, since it is smaller than the sum of its proper divisors (1201335060232944).

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

447448210883856 is a wasteful number, since it uses less digits than its factorization.

447448210883856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39256 (or 39247 counting only the distinct ones).

The product of its (nonzero) digits is 1321205760, while the sum is 72.

The spelling of 447448210883856 in words is "four hundred forty-seven trillion, four hundred forty-eight billion, two hundred ten million, eight hundred eighty-three thousand, eight hundred fifty-six".