253528768824528 has 80 divisors (see below), whose sum is σ = 658532626071552. Its totient is φ = 84047434800000.

The previous prime is 253528768824521. The next prime is 253528768824593. The reversal of 253528768824528 is 825428867825352.

It is a self number, because there is not a number n which added to its sum of digits gives 253528768824528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253528768824521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35919153 + ... + 42393903.

Almost surely, 2^{253528768824528} is an apocalyptic number.

It is an amenable number.

253528768824528 is an abundant number, since it is smaller than the sum of its proper divisors (405003857247024).

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

253528768824528 is a wasteful number, since it uses less digits than its factorization.

253528768824528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479224 (or 6479218 counting only the distinct ones).

The product of its digits is 4128768000, while the sum is 75.

The spelling of 253528768824528 in words is "two hundred fifty-three trillion, five hundred twenty-eight billion, seven hundred sixty-eight million, eight hundred twenty-four thousand, five hundred twenty-eight".