255250500500 has 24 divisors (see below), whose sum is σ = 557467094184. Its totient is φ = 102100200000.

The previous prime is 255250500433. The next prime is 255250500529. The reversal of 255250500500 is 5005052552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9314704 + 255241185796 = 3052^2 + 505214^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255250001 + ... + 255251000.

It is an arithmetic number, because the mean of its divisors is an integer number (23227795591).

Almost surely, 2^255250500500 is an apocalyptic number.

255250500500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255250500500 is an abundant number, since it is smaller than the sum of its proper divisors (302216593684).

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

255250500500 is a wasteful number, since it uses less digits than its factorization.

255250500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510501020 (or 510501008 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 255250500500 in words is "two hundred fifty-five billion, two hundred fifty million, five hundred thousand, five hundred".