5421928855040 has 160 divisors (see below), whose sum is σ = 13132726326720. Its totient is φ = 2146657075200.

The previous prime is 5421928855027. The next prime is 5421928855081. The reversal of 5421928855040 is 405588291245.

It is a tau number, because it is divible by the number of its divisors (160).

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 15 ways as a sum of consecutive naturals, for example, 284890325 + ... + 284909355.

It is an arithmetic number, because the mean of its divisors is an integer number (82079539542).

Almost surely, 2^{5421928855040} 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 5421928855040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6566363163360).

5421928855040 is an abundant number, since it is smaller than the sum of its proper divisors (7710797471680).

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

5421928855040 is a wasteful number, since it uses less digits than its factorization.

5421928855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184 (or 20168 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 5421928855040 in words is "five trillion, four hundred twenty-one billion, nine hundred twenty-eight million, eight hundred fifty-five thousand, forty".