276048216 has 128 divisors (see below), whose sum is σ = 801792000. Its totient is φ = 87889536.

The previous prime is 276048163. The next prime is 276048239. The reversal of 276048216 is 612840672.

276048216 is a `hidden beast` number, since 27 + 604 + 8 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 795355 + ... + 795701.

It is an arithmetic number, because the mean of its divisors is an integer number (6264000).

Almost surely, 2^276048216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276048216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400896000).

276048216 is an abundant number, since it is smaller than the sum of its proper divisors (525743784).

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

276048216 is a wasteful number, since it uses less digits than its factorization.

276048216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 276048216 is about 16614.6987935382. The cubic root of 276048216 is about 651.1209187353.

Adding to 276048216 its reverse (612840672), we get a palindrome (888888888).

The spelling of 276048216 in words is "two hundred seventy-six million, forty-eight thousand, two hundred sixteen".