539491315824804 has 192 divisors, whose sum is σ = 1526955068620800. Its totient is φ = 144722666649600.

The previous prime is 539491315824803. The next prime is 539491315824833. The reversal of 539491315824804 is 408428513194935.

It is not an unprimeable number, because it can be changed into a prime (539491315824803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1127462397 + ... + 1127940795.

It is an arithmetic number, because the mean of its divisors is an integer number (7952890982400).

Almost surely, 2^{539491315824804} 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 539491315824804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763477534310400).

539491315824804 is an abundant number, since it is smaller than the sum of its proper divisors (987463752795996).

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

539491315824804 is a wasteful number, since it uses less digits than its factorization.

539491315824804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480338 (or 480336 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 66.

The spelling of 539491315824804 in words is "five hundred thirty-nine trillion, four hundred ninety-one billion, three hundred fifteen million, eight hundred twenty-four thousand, eight hundred four".