447324420852 has 18 divisors (see below), whose sum is σ = 1130736730578. Its totient is φ = 149108140272.

The previous prime is 447324420797. The next prime is 447324420853. The reversal of 447324420852 is 258024423744.

It can be written as a sum of positive squares in only one way, i.e., 252361550736 + 194962870116 = 502356^2 + 441546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 447324420798 and 447324420807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447324420853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6212839143 + ... + 6212839214.

Almost surely, 2^447324420852 is an apocalyptic number.

It is an amenable number.

447324420852 is an abundant number, since it is smaller than the sum of its proper divisors (683412309726).

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

447324420852 is a wasteful number, since it uses less digits than its factorization.

447324420852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425678367 (or 12425678362 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 45.

The spelling of 447324420852 in words is "four hundred forty-seven billion, three hundred twenty-four million, four hundred twenty thousand, eight hundred fifty-two".