5729241021840 has 600 divisors, whose sum is σ = 23159218465152. Its totient is φ = 1308863162880.

The previous prime is 5729241021839. The next prime is 5729241021863. The reversal of 5729241021840 is 481201429275.

5729241021840 is a `hidden beast` number, since 5 + 72 + 92 + 410 + 2 + 1 + 84 + 0 = 666.

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 119 ways as a sum of consecutive naturals, for example, 867143817 + ... + 867150423.

Almost surely, 2^{5729241021840} 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 5729241021840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11579609232576).

5729241021840 is an abundant number, since it is smaller than the sum of its proper divisors (17429977443312).

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

5729241021840 is a wasteful number, since it uses less digits than its factorization.

5729241021840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 5729241021840 in words is "five trillion, seven hundred twenty-nine billion, two hundred forty-one million, twenty-one thousand, eight hundred forty".