539638124640 has 192 divisors, whose sum is σ = 1847047587840. Its totient is φ = 131931832320.

The previous prime is 539638124603. The next prime is 539638124681. The reversal of 539638124640 is 46421836935.

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 31 ways as a sum of consecutive naturals, for example, 671649 + ... + 1237088.

It is an arithmetic number, because the mean of its divisors is an integer number (9620039520).

Almost surely, 2^539638124640 is an apocalyptic number.

It is an amenable number.

539638124640 is an abundant number, since it is smaller than the sum of its proper divisors (1307409463200).

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

539638124640 is a wasteful number, since it uses less digits than its factorization.

539638124640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908805 (or 1908797 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 539638124640 in words is "five hundred thirty-nine billion, six hundred thirty-eight million, one hundred twenty-four thousand, six hundred forty".