5439641940480 has 320 divisors, whose sum is σ = 19076786150400. Its totient is φ = 1311330385920.

The previous prime is 5439641940457. The next prime is 5439641940487. The reversal of 5439641940480 is 840491469345.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 5439641940480.

It is not an unprimeable number, because it can be changed into a prime (5439641940487) 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 31 ways as a sum of consecutive naturals, for example, 14942061 + ... + 15301779.

It is an arithmetic number, because the mean of its divisors is an integer number (59614956720).

Almost surely, 2^{5439641940480} 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 5439641940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9538393075200).

5439641940480 is an abundant number, since it is smaller than the sum of its proper divisors (13637144209920).

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

5439641940480 is a wasteful number, since it uses less digits than its factorization.

5439641940480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359935 (or 359919 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 5439641940480 in words is "five trillion, four hundred thirty-nine billion, six hundred forty-one million, nine hundred forty thousand, four hundred eighty".