252775505028 has 12 divisors (see below), whose sum is σ = 589809511760. Its totient is φ = 84258501672.

The previous prime is 252775505009. The next prime is 252775505029. The reversal of 252775505028 is 820505577252.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (252775505029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10532312698 + ... + 10532312721.

Almost surely, 2^252775505028 is an apocalyptic number.

It is an amenable number.

252775505028 is an abundant number, since it is smaller than the sum of its proper divisors (337034006732).

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

252775505028 is a wasteful number, since it uses less digits than its factorization.

252775505028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064625426 (or 21064625424 counting only the distinct ones).

The product of its (nonzero) digits is 1960000, while the sum is 48.

The spelling of 252775505028 in words is "two hundred fifty-two billion, seven hundred seventy-five million, five hundred five thousand, twenty-eight".