280005005300 has 36 divisors (see below), whose sum is σ = 607936714560. Its totient is φ = 111941937120.

The previous prime is 280005005281. The next prime is 280005005311. The reversal of 280005005300 is 3500500082.

It is a congruent number.

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, 563180 + ... + 936579.

It is an arithmetic number, because the mean of its divisors is an integer number (16887130960).

Almost surely, 2^280005005300 is an apocalyptic number.

280005005300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280005005300 is an abundant number, since it is smaller than the sum of its proper divisors (327931709260).

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

280005005300 is a wasteful number, since it uses less digits than its factorization.

280005005300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501640 (or 1501633 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 280005005300 its reverse (3500500082), we get a palindrome (283505505382).

The spelling of 280005005300 in words is "two hundred eighty billion, five million, five thousand, three hundred".