539563680 has 480 divisors, whose sum is σ = 2107607040. Its totient is φ = 129392640.

The previous prime is 539563679. The next prime is 539563721. The reversal of 539563680 is 86365935.

539563680 is a `hidden beast` number, since 5 + 3 + 9 + 5 + 636 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×539563680² = 582257929550284800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6829881 + ... + 6829959.

It is an arithmetic number, because the mean of its divisors is an integer number (4390848).

Almost surely, 2^539563680 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 539563680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053803520).

539563680 is an abundant number, since it is smaller than the sum of its proper divisors (1568043360).

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

539563680 is a wasteful number, since it uses less digits than its factorization.

539563680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 539563680 is about 23228.5100684482. The cubic root of 539563680 is about 814.1059009370.

The spelling of 539563680 in words is "five hundred thirty-nine million, five hundred sixty-three thousand, six hundred eighty".