447364544536 has 384 divisors, whose sum is σ = 1130963904000. Its totient is φ = 163943958528.

The previous prime is 447364544521. The next prime is 447364544537. The reversal of 447364544536 is 635445463744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447364544537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1180381195 + ... + 1180381573.

It is an arithmetic number, because the mean of its divisors is an integer number (2945218500).

Almost surely, 2^447364544536 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 447364544536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565481952000).

447364544536 is an abundant number, since it is smaller than the sum of its proper divisors (683599359464).

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

447364544536 is a wasteful number, since it uses less digits than its factorization.

447364544536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 660 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 55.

The spelling of 447364544536 in words is "four hundred forty-seven billion, three hundred sixty-four million, five hundred forty-four thousand, five hundred thirty-six".