500000255280 has 60 divisors (see below), whose sum is σ = 1679167526400. Its totient is φ = 133333401216.

The previous prime is 500000255243. The next prime is 500000255311. The reversal of 500000255280 is 82552000005.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347221680 + ... + 347223119.

It is an arithmetic number, because the mean of its divisors is an integer number (27986125440).

Almost surely, 2^500000255280 is an apocalyptic number.

It is an amenable number.

500000255280 is an abundant number, since it is smaller than the sum of its proper divisors (1179167271120).

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

500000255280 is a wasteful number, since it uses less digits than its factorization.

500000255280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694444818 (or 694444809 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 500000255280 its reverse (82552000005), we get a palindrome (582552255285).

The spelling of 500000255280 in words is "five hundred billion, two hundred fifty-five thousand, two hundred eighty".