255530500028 has 24 divisors (see below), whose sum is σ = 473509857744. Its totient is φ = 120242822400.

The previous prime is 255530499941. The next prime is 255530500039. The reversal of 255530500028 is 820005035552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220963 + ... + 1414853.

It is an arithmetic number, because the mean of its divisors is an integer number (19729577406).

Almost surely, 2^255530500028 is an apocalyptic number.

It is an amenable number.

255530500028 is a deficient number, since it is larger than the sum of its proper divisors (217979357716).

255530500028 is a wasteful number, since it uses less digits than its factorization.

255530500028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213293 (or 213291 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 255530500028 in words is "two hundred fifty-five billion, five hundred thirty million, five hundred thousand, twenty-eight".