276428960 has 48 divisors (see below), whose sum is σ = 654231816. Its totient is φ = 110373888.

The previous prime is 276428947. The next prime is 276428963. The reversal of 276428960 is 69824672.

It can be written as a sum of positive squares in 4 ways, for example, as 249513616 + 26915344 = 15796^2 + 5188^2 .

It is not an unprimeable number, because it can be changed into a prime (276428963) 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 7 ways as a sum of consecutive naturals, for example, 116102 + ... + 118458.

Almost surely, 2^276428960 is an apocalyptic number.

276428960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276428960 is an abundant number, since it is smaller than the sum of its proper divisors (377802856).

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

276428960 is a wasteful number, since it uses less digits than its factorization.

276428960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 276428960 is about 16626.1528923561. The cubic root of 276428960 is about 651.4201375889.

The spelling of 276428960 in words is "two hundred seventy-six million, four hundred twenty-eight thousand, nine hundred sixty".