538965386928 has 120 divisors (see below), whose sum is σ = 1593394199280. Its totient is φ = 169593661440.

The previous prime is 538965386917. The next prime is 538965386951. The reversal of 538965386928 is 829683569835.

538965386928 is a `hidden beast` number, since 5 + 3 + 8 + 9 + 6 + 538 + 69 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 23 ways as a sum of consecutive naturals, for example, 418300 + ... + 1119332.

It is an arithmetic number, because the mean of its divisors is an integer number (13278284994).

Almost surely, 2^538965386928 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 538965386928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796697099640).

538965386928 is an abundant number, since it is smaller than the sum of its proper divisors (1054428812352).

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

538965386928 is a wasteful number, since it uses less digits than its factorization.

538965386928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701347 (or 701338 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 72.

The spelling of 538965386928 in words is "five hundred thirty-eight billion, nine hundred sixty-five million, three hundred eighty-six thousand, nine hundred twenty-eight".