539856531040 has 24 divisors (see below), whose sum is σ = 1275411054960. Its totient is φ = 215942612352.

The previous prime is 539856531031. The next prime is 539856531041. The reversal of 539856531040 is 40135658935.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539856531041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687051500 + ... + 1687051819.

It is an arithmetic number, because the mean of its divisors is an integer number (53142127290).

Almost surely, 2^539856531040 is an apocalyptic number.

It is an amenable number.

539856531040 is an abundant number, since it is smaller than the sum of its proper divisors (735554523920).

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

539856531040 is a wasteful number, since it uses less digits than its factorization.

539856531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374103334 (or 3374103326 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 539856531040 in words is "five hundred thirty-nine billion, eight hundred fifty-six million, five hundred thirty-one thousand, forty".