539728560 has 120 divisors (see below), whose sum is σ = 2071548960. Its totient is φ = 123365376.

The previous prime is 539728543. The next prime is 539728571. The reversal of 539728560 is 65827935.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48505 + ... + 58584.

It is an arithmetic number, because the mean of its divisors is an integer number (17262908).

Almost surely, 2^539728560 is an apocalyptic number.

It is an amenable number.

539728560 is an abundant number, since it is smaller than the sum of its proper divisors (1531820400).

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

539728560 is a wasteful number, since it uses less digits than its factorization.

539728560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107115 (or 107106 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 539728560 is about 23232.0588842229. The cubic root of 539728560 is about 814.1888173845.

The spelling of 539728560 in words is "five hundred thirty-nine million, seven hundred twenty-eight thousand, five hundred sixty".