280468208 has 40 divisors (see below), whose sum is σ = 559391280. Its totient is φ = 136143360.

The previous prime is 280468207. The next prime is 280468229. The reversal of 280468208 is 802864082.

280468208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280468207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149291 + ... + 151157.

It is an arithmetic number, because the mean of its divisors is an integer number (13984782).

Almost surely, 2^280468208 is an apocalyptic number.

It is an amenable number.

280468208 is a deficient number, since it is larger than the sum of its proper divisors (278923072).

280468208 is a wasteful number, since it uses less digits than its factorization.

280468208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 280468208 is about 16747.1850769017. The cubic root of 280468208 is about 654.5777112143.

The spelling of 280468208 in words is "two hundred eighty million, four hundred sixty-eight thousand, two hundred eight".