539993820018 has 32 divisors (see below), whose sum is σ = 1160583747264. Its totient is φ = 166881318912.

The previous prime is 539993820007. The next prime is 539993820059. The reversal of 539993820018 is 810028399935.

It is a self number, because there is not a number n which added to its sum of digits gives 539993820018.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39501055 + ... + 39514722.

It is an arithmetic number, because the mean of its divisors is an integer number (36268242102).

Almost surely, 2^539993820018 is an apocalyptic number.

539993820018 is an abundant number, since it is smaller than the sum of its proper divisors (620589927246).

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

539993820018 is a wasteful number, since it uses less digits than its factorization.

539993820018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79015866.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 539993820018 in words is "five hundred thirty-nine billion, nine hundred ninety-three million, eight hundred twenty thousand, eighteen".