280883040256 has 325 divisors, whose sum is σ = 709879084531. Its totient is φ = 111118565376.

The previous prime is 280883040239. The next prime is 280883040281. The reversal of 280883040256 is 652040388082.

The square root of 280883040256 is 529984.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 139266297856 + 141616742400 = 373184^2 + 376320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 21606387706 + ... + 21606387718.

Almost surely, 2^280883040256 is an apocalyptic number.

280883040256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

280883040256 is the 529984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280883040256

280883040256 is an abundant number, since it is smaller than the sum of its proper divisors (428996044275).

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

280883040256 is an frugal number, since it uses more digits than its factorization.

280883040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 280883040256 in words is "two hundred eighty billion, eight hundred eighty-three million, forty thousand, two hundred fifty-six".