539840695680 has 2048 divisors, whose sum is σ = 2425141555200. Its totient is φ = 111476736000.

The previous prime is 539840695643. The next prime is 539840695747. The reversal of 539840695680 is 86596048935.

539840695680 is a `hidden beast` number, since 5 + 3 + 9 + 8 + 4 + 0 + 69 + 568 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2982545190 + ... + 2982545370.

It is an arithmetic number, because the mean of its divisors is an integer number (1184151150).

Almost surely, 2^539840695680 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 539840695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212570777600).

539840695680 is an abundant number, since it is smaller than the sum of its proper divisors (1885300859520).

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

539840695680 is a wasteful number, since it uses less digits than its factorization.

539840695680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 539840695680 in words is "five hundred thirty-nine billion, eight hundred forty million, six hundred ninety-five thousand, six hundred eighty".