817448044 has 24 divisors (see below), whose sum is σ = 1665746208. Its totient is φ = 343724160.

The previous prime is 817448041. The next prime is 817448057. The reversal of 817448044 is 440844718.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 817447988 and 817448006.

It is not an unprimeable number, because it can be changed into a prime (817448041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273937 + ... + 276904.

It is an arithmetic number, because the mean of its divisors is an integer number (69406092).

Almost surely, 2^817448044 is an apocalyptic number.

It is an amenable number.

817448044 is an abundant number, since it is smaller than the sum of its proper divisors (848298164).

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

817448044 is a wasteful number, since it uses less digits than its factorization.

817448044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550905 (or 550903 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 817448044 is about 28591.0483193604. The cubic root of 817448044 is about 935.0181753642.

The spelling of 817448044 in words is "eight hundred seventeen million, four hundred forty-eight thousand, forty-four".