539448063840 has 1152 divisors, whose sum is σ = 2344567680000. Its totient is φ = 116757946368.

The previous prime is 539448063827. The next prime is 539448063887. The reversal of 539448063840 is 48360844935.

539448063840 is a `hidden beast` number, since 5 + 3 + 94 + 480 + 6 + 38 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 253379896 + ... + 253382024.

It is an arithmetic number, because the mean of its divisors is an integer number (2035215000).

Almost surely, 2^539448063840 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 539448063840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172283840000).

539448063840 is an abundant number, since it is smaller than the sum of its proper divisors (1805119616160).

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

539448063840 is a wasteful number, since it uses less digits than its factorization.

539448063840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 539448063840 in words is "five hundred thirty-nine billion, four hundred forty-eight million, sixty-three thousand, eight hundred forty".