84404048800440 has 128 divisors (see below), whose sum is σ = 260212684311360. Its totient is φ = 21886210658304.

The previous prime is 84404048800387. The next prime is 84404048800447. The reversal of 84404048800440 is 4400884040448.

It is a self number, because there is not a number n which added to its sum of digits gives 84404048800440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84404048800447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1620834 + ... + 13093326.

Almost surely, 2^{84404048800440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84404048800440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130106342155680).

84404048800440 is an abundant number, since it is smaller than the sum of its proper divisors (175808635510920).

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

84404048800440 is a wasteful number, since it uses less digits than its factorization.

84404048800440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474201 (or 11474197 counting only the distinct ones).

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

The spelling of 84404048800440 in words is "eighty-four trillion, four hundred four billion, forty-eight million, eight hundred thousand, four hundred forty".