809131039424448 has 56 divisors (see below), whose sum is σ = 2305504788623568. Its totient is φ = 248963396745216.

The previous prime is 809131039424419. The next prime is 809131039424453. The reversal of 809131039424448 is 844424930131908.

It is a junction number, because it is equal to n+sod(n) for n = 809131039424391 and 809131039424400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162085542261 + ... + 162085547252.

It is an arithmetic number, because the mean of its divisors is an integer number (41169728368278).

Almost surely, 2^{809131039424448} is an apocalyptic number.

It is an amenable number.

809131039424448 is an abundant number, since it is smaller than the sum of its proper divisors (1496373749199120).

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

809131039424448 is a wasteful number, since it uses less digits than its factorization.

809131039424448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324171089541 (or 324171089531 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 809131039424448 in words is "eight hundred nine trillion, one hundred thirty-one billion, thirty-nine million, four hundred twenty-four thousand, four hundred forty-eight".