539463240 has 320 divisors, whose sum is σ = 1931973120. Its totient is φ = 134784000.

The previous prime is 539463217. The next prime is 539463259. The reversal of 539463240 is 42364935.

It is a super-2 number, since 2×539463240² = 582041174622595200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 539463195 and 539463204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4117975 + ... + 4118105.

It is an arithmetic number, because the mean of its divisors is an integer number (6037416).

Almost surely, 2^539463240 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 539463240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965986560).

539463240 is an abundant number, since it is smaller than the sum of its proper divisors (1392509880).

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

539463240 is a wasteful number, since it uses less digits than its factorization.

539463240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 539463240 is about 23226.3479694936. The cubic root of 539463240 is about 814.0553824199.

The spelling of 539463240 in words is "five hundred thirty-nine million, four hundred sixty-three thousand, two hundred forty".