84004408444 has 24 divisors (see below), whose sum is σ = 160494864768. Its totient is φ = 38154581040.

The previous prime is 84004408441. The next prime is 84004408459. The reversal of 84004408444 is 44480440048.

It is a super-2 number, since 2×84004408444² (a number of 23 digits) contains 22 as substring.

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 = 84004408397 and 84004408406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84004408441) 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 7 ways as a sum of consecutive naturals, for example, 672864 + ... + 787879.

It is an arithmetic number, because the mean of its divisors is an integer number (6687286032).

Almost surely, 2^84004408444 is an apocalyptic number.

It is an amenable number.

84004408444 is a deficient number, since it is larger than the sum of its proper divisors (76490456324).

84004408444 is a wasteful number, since it uses less digits than its factorization.

84004408444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462065 (or 1462063 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 84004408444 in words is "eighty-four billion, four million, four hundred eight thousand, four hundred forty-four".