447316622443540 has 96 divisors (see below), whose sum is σ = 982239578318880. Its totient is φ = 170956175671296.

The previous prime is 447316622443517. The next prime is 447316622443553. The reversal of 447316622443540 is 45344226613744.

It can be written as a sum of positive squares in 16 ways, for example, as 927449893764 + 446389172549776 = 963042^2 + 21127924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5709277 + ... + 30450436.

It is an arithmetic number, because the mean of its divisors is an integer number (10231662274155).

Almost surely, 2^{447316622443540} is an apocalyptic number.

It is an amenable number.

447316622443540 is an abundant number, since it is smaller than the sum of its proper divisors (534922955875340).

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

447316622443540 is a wasteful number, since it uses less digits than its factorization.

447316622443540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36160061 (or 36160059 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 55.

The spelling of 447316622443540 in words is "four hundred forty-seven trillion, three hundred sixteen billion, six hundred twenty-two million, four hundred forty-three thousand, five hundred forty".