280275000500 has 96 divisors (see below), whose sum is σ = 670253875200. Its totient is φ = 101538768000.

The previous prime is 280275000463. The next prime is 280275000557. The reversal of 280275000500 is 5000572082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384781 + ... + 1574219.

It is an arithmetic number, because the mean of its divisors is an integer number (6981811200).

Almost surely, 2^280275000500 is an apocalyptic number.

280275000500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280275000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335126937600).

280275000500 is an abundant number, since it is smaller than the sum of its proper divisors (389978874700).

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

280275000500 is a wasteful number, since it uses less digits than its factorization.

280275000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189738 (or 189726 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

Adding to 280275000500 its reverse (5000572082), we get a palindrome (285275572582).

The spelling of 280275000500 in words is "two hundred eighty billion, two hundred seventy-five million, five hundred", and thus it is an aban number.