280460313339648 has 288 divisors, whose sum is σ = 808630216720704. Its totient is φ = 85782626697216.

The previous prime is 280460313339631. The next prime is 280460313339671. The reversal of 280460313339648 is 846933313064082.

It is a junction number, because it is equal to n+sod(n) for n = 280460313339591 and 280460313339600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16465694140 + ... + 16465711172.

It is an arithmetic number, because the mean of its divisors is an integer number (2807743808058).

Almost surely, 2^{280460313339648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280460313339648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404315108360352).

280460313339648 is an abundant number, since it is smaller than the sum of its proper divisors (528169903381056).

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

280460313339648 is a wasteful number, since it uses less digits than its factorization.

280460313339648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26771 (or 26757 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 60.

The spelling of 280460313339648 in words is "two hundred eighty trillion, four hundred sixty billion, three hundred thirteen million, three hundred thirty-nine thousand, six hundred forty-eight".