804540829444 has 27 divisors (see below), whose sum is σ = 1547615463303. Its totient is φ = 365691407400.

The previous prime is 804540829387. The next prime is 804540829513. The reversal of 804540829444 is 444928045408.

The square root of 804540829444 is 896962.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 804540829391 and 804540829400.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19712779 + ... + 19753549.

Almost surely, 2^804540829444 is an apocalyptic number.

804540829444 is the 896962-nd square number.

It is an amenable number.

804540829444 is a deficient number, since it is larger than the sum of its proper divisors (743074633859).

804540829444 is an frugal number, since it uses more digits than its factorization.

804540829444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81568 (or 40784 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 52.

The spelling of 804540829444 in words is "eight hundred four billion, five hundred forty million, eight hundred twenty-nine thousand, four hundred forty-four".