447372581648 has 20 divisors (see below), whose sum is σ = 868853087760. Its totient is φ = 223152429984.

The previous prime is 447372581641. The next prime is 447372581651. The reversal of 447372581648 is 846185273744.

It is not an unprimeable number, because it can be changed into a prime (447372581641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33359390 + ... + 33372797.

It is an arithmetic number, because the mean of its divisors is an integer number (43442654388).

Almost surely, 2^447372581648 is an apocalyptic number.

It is an amenable number.

447372581648 is a deficient number, since it is larger than the sum of its proper divisors (421480506112).

447372581648 is a wasteful number, since it uses less digits than its factorization.

447372581648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66732614 (or 66732608 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 59.

The spelling of 447372581648 in words is "four hundred forty-seven billion, three hundred seventy-two million, five hundred eighty-one thousand, six hundred forty-eight".