276550080 has 112 divisors (see below), whose sum is σ = 882115584. Its totient is φ = 73405440.

The previous prime is 276550069. The next prime is 276550097. The reversal of 276550080 is 80055672.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259629 + ... + 260691.

It is an arithmetic number, because the mean of its divisors is an integer number (7876032).

Almost surely, 2^276550080 is an apocalyptic number.

276550080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276550080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441057792).

276550080 is an abundant number, since it is smaller than the sum of its proper divisors (605565504).

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

276550080 is a wasteful number, since it uses less digits than its factorization.

276550080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 276550080 is about 16629.7949476234. The cubic root of 276550080 is about 651.5152656901.

The spelling of 276550080 in words is "two hundred seventy-six million, five hundred fifty thousand, eighty".