255030499988 has 48 divisors (see below), whose sum is σ = 503892567360. Its totient is φ = 111875097600.

The previous prime is 255030499981. The next prime is 255030500047. The reversal of 255030499988 is 889994030552.

It is a self number, because there is not a number n which added to its sum of digits gives 255030499988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255030499981) 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, 2856383 + ... + 2944313.

It is an arithmetic number, because the mean of its divisors is an integer number (10497761820).

Almost surely, 2^255030499988 is an apocalyptic number.

It is an amenable number.

255030499988 is a deficient number, since it is larger than the sum of its proper divisors (248862067372).

255030499988 is a wasteful number, since it uses less digits than its factorization.

255030499988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248 (or 90246 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 62.

The spelling of 255030499988 in words is "two hundred fifty-five billion, thirty million, four hundred ninety-nine thousand, nine hundred eighty-eight".