539729568 has 240 divisors, whose sum is σ = 1835374464. Its totient is φ = 152409600.

The previous prime is 539729513. The next prime is 539729609. The reversal of 539729568 is 865927935.

539729568 is a `hidden beast` number, since 5 + 3 + 9 + 72 + 9 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (4082400) is a multiple of the sum of its prime divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2739646 + ... + 2739842.

Almost surely, 2^539729568 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 539729568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917687232).

539729568 is an abundant number, since it is smaller than the sum of its proper divisors (1295644896).

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

539729568 is a wasteful number, since it uses less digits than its factorization.

539729568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 360 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 539729568 is about 23232.0805783727. The cubic root of 539729568 is about 814.1893242453.

The spelling of 539729568 in words is "five hundred thirty-nine million, seven hundred twenty-nine thousand, five hundred sixty-eight".