275608240 has 40 divisors (see below), whose sum is σ = 641990160. Its totient is φ = 110036736.

The previous prime is 275608231. The next prime is 275608247. The reversal of 275608240 is 42806572.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 275608196 and 275608205.

It is not an unprimeable number, because it can be changed into a prime (275608247) 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, 44026 + ... + 49894.

It is an arithmetic number, because the mean of its divisors is an integer number (16049754).

Almost surely, 2^275608240 is an apocalyptic number.

275608240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275608240 is an abundant number, since it is smaller than the sum of its proper divisors (366381920).

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

275608240 is a wasteful number, since it uses less digits than its factorization.

275608240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 275608240 is about 16601.4529484621. The cubic root of 275608240 is about 650.7748078082.

The spelling of 275608240 in words is "two hundred seventy-five million, six hundred eight thousand, two hundred forty".