539130240 has 384 divisors, whose sum is σ = 2077470720. Its totient is φ = 127733760.

The previous prime is 539130217. The next prime is 539130287. The reversal of 539130240 is 42031935.

539130240 is a `hidden beast` number, since 5 + 391 + 30 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×539130240² = 581322831364915200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4245057 + ... + 4245183.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^539130240 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 539130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038735360).

539130240 is an abundant number, since it is smaller than the sum of its proper divisors (1538340480).

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

539130240 is a wasteful number, since it uses less digits than its factorization.

539130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 539130240 is about 23219.1782800339. The cubic root of 539130240 is about 813.8878478418.

The spelling of 539130240 in words is "five hundred thirty-nine million, one hundred thirty thousand, two hundred forty".