539816056704 has 144 divisors (see below), whose sum is σ = 1605105576360. Its totient is φ = 174133854720.

The previous prime is 539816056643. The next prime is 539816056709. The reversal of 539816056704 is 407650618935.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×539816056704² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539816056709) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 863269 + ... + 1350875.

Almost surely, 2^539816056704 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 539816056704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802552788180).

539816056704 is an abundant number, since it is smaller than the sum of its proper divisors (1065289519656).

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

539816056704 is a wasteful number, since it uses less digits than its factorization.

539816056704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487689 (or 487643 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 539816056704 in words is "five hundred thirty-nine billion, eight hundred sixteen million, fifty-six thousand, seven hundred four".