6439580080416 has 144 divisors (see below), whose sum is σ = 21193555219200. Its totient is φ = 1816590357504.

The previous prime is 6439580080411. The next prime is 6439580080441. The reversal of 6439580080416 is 6140800859346.

6439580080416 is a `hidden beast` number, since 6 + 43 + 9 + 580 + 0 + 8 + 0 + 4 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×6439580080416² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6439580080411) 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 23 ways as a sum of consecutive naturals, for example, 20057421 + ... + 20375948.

It is an arithmetic number, because the mean of its divisors is an integer number (147177466800).

Almost surely, 2^{6439580080416} is an apocalyptic number.

It is an amenable number.

6439580080416 is an abundant number, since it is smaller than the sum of its proper divisors (14753975138784).

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

6439580080416 is a wasteful number, since it uses less digits than its factorization.

6439580080416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433471 (or 40433460 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 6439580080416 in words is "six trillion, four hundred thirty-nine billion, five hundred eighty million, eighty thousand, four hundred sixteen".