276320340 has 72 divisors (see below), whose sum is σ = 839785128. Its totient is φ = 73543680.

The previous prime is 276320333. The next prime is 276320353. The reversal of 276320340 is 43023672.

276320340 is a `hidden beast` number, since 27 + 632 + 0 + 3 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21790224 + 254530116 = 4668^2 + 15954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120000 + ... + 122280.

Almost surely, 2^276320340 is an apocalyptic number.

276320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276320340 is an abundant number, since it is smaller than the sum of its proper divisors (563464788).

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

276320340 is a wasteful number, since it uses less digits than its factorization.

276320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 276320340 is about 16622.8860310116. The cubic root of 276320340 is about 651.3348033977.

The spelling of 276320340 in words is "two hundred seventy-six million, three hundred twenty thousand, three hundred forty".