280316468 has 12 divisors (see below), whose sum is σ = 519410052. Its totient is φ = 131913600.

The previous prime is 280316461. The next prime is 280316489. The reversal of 280316468 is 864613082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 220284964 + 60031504 = 14842^2 + 7748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280316461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061083 + ... + 2061218.

It is an arithmetic number, because the mean of its divisors is an integer number (43284171).

Almost surely, 2^280316468 is an apocalyptic number.

It is an amenable number.

280316468 is a deficient number, since it is larger than the sum of its proper divisors (239093584).

280316468 is a wasteful number, since it uses less digits than its factorization.

280316468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122322 (or 4122320 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 280316468 is about 16742.6541504028. The cubic root of 280316468 is about 654.4596425266.

The spelling of 280316468 in words is "two hundred eighty million, three hundred sixteen thousand, four hundred sixty-eight".