276640264 has 16 divisors (see below), whose sum is σ = 522488700. Its totient is φ = 137309952.

The previous prime is 276640237. The next prime is 276640291. The reversal of 276640264 is 462046672.

276640264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (276640237) and next prime (276640291).

It can be written as a sum of positive squares in 2 ways, for example, as 265364100 + 11276164 = 16290^2 + 3358^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125109 + ... + 127300.

Almost surely, 2^276640264 is an apocalyptic number.

It is an amenable number.

276640264 is a deficient number, since it is larger than the sum of its proper divisors (245848436).

276640264 is a wasteful number, since it uses less digits than its factorization.

276640264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252552 (or 252548 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 276640264 is about 16632.5062453017. The cubic root of 276640264 is about 651.5860785027.

The spelling of 276640264 in words is "two hundred seventy-six million, six hundred forty thousand, two hundred sixty-four".