84440404444 has 12 divisors (see below), whose sum is σ = 161204408568. Its totient is φ = 38382002000.

The previous prime is 84440404417. The next prime is 84440404463. The reversal of 84440404444 is 44440404448.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84440404397 and 84440404406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959550007 + ... + 959550094.

It is an arithmetic number, because the mean of its divisors is an integer number (13433700714).

Almost surely, 2^84440404444 is an apocalyptic number.

It is an amenable number.

84440404444 is a deficient number, since it is larger than the sum of its proper divisors (76764004124).

84440404444 is a wasteful number, since it uses less digits than its factorization.

84440404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919100116 (or 1919100114 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

It can be divided in two parts, 84440 and 404444, that added together give a palindrome (488884).

The spelling of 84440404444 in words is "eighty-four billion, four hundred forty million, four hundred four thousand, four hundred forty-four".