804444287012 has 12 divisors (see below), whose sum is σ = 1407826596876. Its totient is φ = 402208116480.

The previous prime is 804444287011. The next prime is 804444287039. The reversal of 804444287012 is 210782444408.

It can be written as a sum of positive squares in 2 ways, for example, as 303497420836 + 500946866176 = 550906^2 + 707776^2 .

It is a super-2 number, since 2×804444287012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (804444287011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377189 + ... + 3607532.

It is an arithmetic number, because the mean of its divisors is an integer number (117318883073).

Almost surely, 2^804444287012 is an apocalyptic number.

It is an amenable number.

804444287012 is a deficient number, since it is larger than the sum of its proper divisors (603382309864).

804444287012 is a wasteful number, since it uses less digits than its factorization.

804444287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013518 (or 7013516 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 44.

The spelling of 804444287012 in words is "eight hundred four billion, four hundred forty-four million, two hundred eighty-seven thousand, twelve".