539538554880000 has 1600 divisors, whose sum is σ = 2151773543304000. Its totient is φ = 132781178880000.

The previous prime is 539538554879999. The next prime is 539538554880089. The reversal of 539538554880000 is 88455835935.

539538554880000 is a `hidden beast` number, since 5 + 3 + 9 + 5 + 3 + 8 + 5 + 548 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1600).

It is a super-2 number, since 2×539538554880000² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 539538554880000.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 115015677655 + ... + 115015682345.

It is an arithmetic number, because the mean of its divisors is an integer number (1344858464565).

Almost surely, 2^{539538554880000} is an apocalyptic number.

539538554880000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539538554880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075886771652000).

539538554880000 is an abundant number, since it is smaller than the sum of its proper divisors (1612234988424000).

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

539538554880000 is an frugal number, since it uses more digits than its factorization.

539538554880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 63.

The spelling of 539538554880000 in words is "five hundred thirty-nine trillion, five hundred thirty-eight billion, five hundred fifty-four million, eight hundred eighty thousand".