538254473856 has 256 divisors, whose sum is σ = 1619933644800. Its totient is φ = 156927918080.

The previous prime is 538254473819. The next prime is 538254473857. The reversal of 538254473856 is 658374452835.

It is a self number, because there is not a number n which added to its sum of digits gives 538254473856.

It is not an unprimeable number, because it can be changed into a prime (538254473857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11690176 + ... + 11736128.

It is an arithmetic number, because the mean of its divisors is an integer number (6327865800).

Almost surely, 2^538254473856 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 538254473856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809966822400).

538254473856 is an abundant number, since it is smaller than the sum of its proper divisors (1081679170944).

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

538254473856 is a wasteful number, since it uses less digits than its factorization.

538254473856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46087 (or 46075 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 60.

The spelling of 538254473856 in words is "five hundred thirty-eight billion, two hundred fifty-four million, four hundred seventy-three thousand, eight hundred fifty-six".