539032320 has 216 divisors, whose sum is σ = 1935185616. Its totient is φ = 143659008.

The previous prime is 539032303. The next prime is 539032321. The reversal of 539032320 is 23230935.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (539032321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310174 + ... + 311906.

Almost surely, 2^539032320 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 539032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967592808).

539032320 is an abundant number, since it is smaller than the sum of its proper divisors (1396153296).

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

539032320 is an equidigital number, since it uses as much as digits as its factorization.

539032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 539032320 is about 23217.0695825291. The cubic root of 539032320 is about 813.8385704949.

The spelling of 539032320 in words is "five hundred thirty-nine million, thirty-two thousand, three hundred twenty".