538257025068 has 96 divisors (see below), whose sum is σ = 1476661691904. Its totient is φ = 149375881728.

The previous prime is 538257025067. The next prime is 538257025069. The reversal of 538257025068 is 860520752835.

It is an interprime number because it is at equal distance from previous prime (538257025067) and next prime (538257025069).

It is a self number, because there is not a number n which added to its sum of digits gives 538257025068.

It is not an unprimeable number, because it can be changed into a prime (538257025067) 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, 1676880 + ... + 1971912.

It is an arithmetic number, because the mean of its divisors is an integer number (15381892624).

Almost surely, 2^538257025068 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 538257025068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738330845952).

538257025068 is an abundant number, since it is smaller than the sum of its proper divisors (938404666836).

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

538257025068 is a wasteful number, since it uses less digits than its factorization.

538257025068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295671 (or 295669 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 538257025068 in words is "five hundred thirty-eight billion, two hundred fifty-seven million, twenty-five thousand, sixty-eight".