275855180 has 12 divisors (see below), whose sum is σ = 579295920. Its totient is φ = 110342064.

The previous prime is 275855131. The next prime is 275855189. The reversal of 275855180 is 81558572.

It is not an unprimeable number, because it can be changed into a prime (275855189) 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 3 ways as a sum of consecutive naturals, for example, 6896360 + ... + 6896399.

It is an arithmetic number, because the mean of its divisors is an integer number (48274660).

Almost surely, 2^275855180 is an apocalyptic number.

275855180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275855180 is an abundant number, since it is smaller than the sum of its proper divisors (303440740).

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

275855180 is a wasteful number, since it uses less digits than its factorization.

275855180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792768 (or 13792766 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 275855180 is about 16608.8885841287. Note that the first 3 decimals coincide. The cubic root of 275855180 is about 650.9691106097.

The spelling of 275855180 in words is "two hundred seventy-five million, eight hundred fifty-five thousand, one hundred eighty".