539199607320 has 768 divisors, whose sum is σ = 2146235719680. Its totient is φ = 115823001600.

The previous prime is 539199607307. The next prime is 539199607321. The reversal of 539199607320 is 23706991935.

It is a happy number.

539199607320 is a `hidden beast` number, since 5 + 3 + 9 + 1 + 9 + 9 + 607 + 3 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539199607321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 77212549 + ... + 77219531.

It is an arithmetic number, because the mean of its divisors is an integer number (2794577760).

Almost surely, 2^539199607320 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 539199607320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073117859840).

539199607320 is an abundant number, since it is smaller than the sum of its proper divisors (1607036112360).

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

539199607320 is a wasteful number, since it uses less digits than its factorization.

539199607320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 539199607320 in words is "five hundred thirty-nine billion, one hundred ninety-nine million, six hundred seven thousand, three hundred twenty".