252500550028 has 12 divisors (see below), whose sum is σ = 441879854472. Its totient is φ = 126249163040.

The previous prime is 252500550011. The next prime is 252500550139. The reversal of 252500550028 is 820055005252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 252500549975 and 252500550002.

It is an unprimeable number.

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, 437583 + ... + 834553.

It is an arithmetic number, because the mean of its divisors is an integer number (36823321206).

Almost surely, 2^252500550028 is an apocalyptic number.

It is an amenable number.

252500550028 is a deficient number, since it is larger than the sum of its proper divisors (189379304444).

252500550028 is a wasteful number, since it uses less digits than its factorization.

252500550028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555992 (or 555990 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 252500550028 in words is "two hundred fifty-two billion, five hundred million, five hundred fifty thousand, twenty-eight".