275528080 has 20 divisors (see below), whose sum is σ = 640602972. Its totient is φ = 110211200.

The previous prime is 275528051. The next prime is 275528107. The reversal of 275528080 is 80825572.

It can be written as a sum of positive squares in 2 ways, for example, as 144288144 + 131239936 = 12012^2 + 11456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 1721971 + ... + 1722130.

Almost surely, 2^275528080 is an apocalyptic number.

275528080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275528080 is an abundant number, since it is smaller than the sum of its proper divisors (365074892).

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

275528080 is a wasteful number, since it uses less digits than its factorization.

275528080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444114 (or 3444108 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 275528080 is about 16599.0385263725. The cubic root of 275528080 is about 650.7117095897.

The spelling of 275528080 in words is "two hundred seventy-five million, five hundred twenty-eight thousand, eighty".