280006580916 has 192 divisors, whose sum is σ = 788574044160. Its totient is φ = 85584729600.

The previous prime is 280006580891. The next prime is 280006580957. The reversal of 280006580916 is 619085600082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19235841 + ... + 19250391.

It is an arithmetic number, because the mean of its divisors is an integer number (4107156480).

Almost surely, 2^280006580916 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 280006580916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394287022080).

280006580916 is an abundant number, since it is smaller than the sum of its proper divisors (508567463244).

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

280006580916 is a wasteful number, since it uses less digits than its factorization.

280006580916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14851 (or 14843 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 280006580916 in words is "two hundred eighty billion, six million, five hundred eighty thousand, nine hundred sixteen".