276128650 has 48 divisors (see below), whose sum is σ = 589605120. Its totient is φ = 94248000.

The previous prime is 276128627. The next prime is 276128659. The reversal of 276128650 is 56821672.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (276128659) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 82000 + ... + 85300.

It is an arithmetic number, because the mean of its divisors is an integer number (12283440).

Almost surely, 2^276128650 is an apocalyptic number.

276128650 is an abundant number, since it is smaller than the sum of its proper divisors (313476470).

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

276128650 is a wasteful number, since it uses less digits than its factorization.

276128650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 276128650 is about 16617.1191847444. The cubic root of 276128650 is about 651.1841530679.

The spelling of 276128650 in words is "two hundred seventy-six million, one hundred twenty-eight thousand, six hundred fifty".