84040448844 has 72 divisors (see below), whose sum is σ = 215599043520. Its totient is φ = 25460035040.

The previous prime is 84040448837. The next prime is 84040448893. The reversal of 84040448844 is 44884404048.

It is a junction number, because it is equal to n+sod(n) for n = 84040448793 and 84040448802.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9525067 + ... + 9533885.

It is an arithmetic number, because the mean of its divisors is an integer number (2994431160).

Almost surely, 2^84040448844 is an apocalyptic number.

It is an amenable number.

84040448844 is an abundant number, since it is smaller than the sum of its proper divisors (131558594676).

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

84040448844 is a wasteful number, since it uses less digits than its factorization.

84040448844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411 (or 15398 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 48.

The spelling of 84040448844 in words is "eighty-four billion, forty million, four hundred forty-eight thousand, eight hundred forty-four".