280668674036 has 12 divisors (see below), whose sum is σ = 498088069920. Its totient is φ = 138357796920.

The previous prime is 280668673991. The next prime is 280668674071. The reversal of 280668674036 is 630476866082.

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 3 ways as a sum of consecutive naturals, for example, 494134706 + ... + 494135273.

It is an arithmetic number, because the mean of its divisors is an integer number (41507339160).

Almost surely, 2^280668674036 is an apocalyptic number.

It is an amenable number.

280668674036 is a deficient number, since it is larger than the sum of its proper divisors (217419395884).

280668674036 is a wasteful number, since it uses less digits than its factorization.

280668674036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988270054 (or 988270052 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 280668674036 in words is "two hundred eighty billion, six hundred sixty-eight million, six hundred seventy-four thousand, thirty-six".