5421712158720 has 2496 divisors, whose sum is σ = 23532095583360. Its totient is φ = 1136236953600.

The previous prime is 5421712158719. The next prime is 5421712158743. The reversal of 5421712158720 is 278512171245.

5421712158720 is a `hidden beast` number, since 5 + 4 + 21 + 7 + 1 + 21 + 587 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2496).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 31339376554 + ... + 31339376726.

It is an arithmetic number, because the mean of its divisors is an integer number (9427922910).

Almost surely, 2^{5421712158720} 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 5421712158720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11766047791680).

5421712158720 is an abundant number, since it is smaller than the sum of its proper divisors (18110383424640).

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

5421712158720 is a wasteful number, since it uses less digits than its factorization.

5421712158720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 5421712158720 in words is "five trillion, four hundred twenty-one billion, seven hundred twelve million, one hundred fifty-eight thousand, seven hundred twenty".