280553056320 has 112 divisors (see below), whose sum is σ = 943153417728. Its totient is φ = 70413312000.

The previous prime is 280553056313. The next prime is 280553056331. The reversal of 280553056320 is 23650355082.

280553056320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8579056 + ... + 8611695.

Almost surely, 2^280553056320 is an apocalyptic number.

280553056320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280553056320 is an abundant number, since it is smaller than the sum of its proper divisors (662600361408).

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

280553056320 is a wasteful number, since it uses less digits than its factorization.

280553056320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17190788 (or 17190778 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 280553056320 in words is "two hundred eighty billion, five hundred fifty-three million, fifty-six thousand, three hundred twenty".