276428260 has 24 divisors (see below), whose sum is σ = 605739456. Its totient is φ = 105763680.

The previous prime is 276428249. The next prime is 276428267. The reversal of 276428260 is 62824672.

It is not an unprimeable number, because it can be changed into a prime (276428267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300006 + ... + 300925.

It is an arithmetic number, because the mean of its divisors is an integer number (25239144).

Almost surely, 2^276428260 is an apocalyptic number.

276428260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276428260 is an abundant number, since it is smaller than the sum of its proper divisors (329311196).

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

276428260 is a wasteful number, since it uses less digits than its factorization.

276428260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600963 (or 600961 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 276428260 is about 16626.1318411710. The cubic root of 276428260 is about 651.4195877255.

The spelling of 276428260 in words is "two hundred seventy-six million, four hundred twenty-eight thousand, two hundred sixty".