809858411448 has 32 divisors (see below), whose sum is σ = 2038234266000. Its totient is φ = 268141038848.

The previous prime is 809858411441. The next prime is 809858411543. The reversal of 809858411448 is 844114858908.

It is a junction number, because it is equal to n+sod(n) for n = 809858411391 and 809858411400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809858411441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113231661 + ... + 113238812.

Almost surely, 2^809858411448 is an apocalyptic number.

It is an amenable number.

809858411448 is an abundant number, since it is smaller than the sum of its proper divisors (1228375854552).

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

809858411448 is a wasteful number, since it uses less digits than its factorization.

809858411448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226470631 (or 226470627 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 60.

The spelling of 809858411448 in words is "eight hundred nine billion, eight hundred fifty-eight million, four hundred eleven thousand, four hundred forty-eight".