275648648 has 48 divisors (see below), whose sum is σ = 571910640. Its totient is φ = 124454880.

The previous prime is 275648641. The next prime is 275648651. The reversal of 275648648 is 846846572.

It is a happy number.

275648648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 275648596 and 275648605.

It is not an unprimeable number, because it can be changed into a prime (275648641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156911 + ... + 158657.

It is an arithmetic number, because the mean of its divisors is an integer number (11914805).

Almost surely, 2^275648648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275648648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285955320).

275648648 is an abundant number, since it is smaller than the sum of its proper divisors (296261992).

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

275648648 is a wasteful number, since it uses less digits than its factorization.

275648648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1923 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 275648648 is about 16602.6699057712. The cubic root of 275648648 is about 650.8066104657.

The spelling of 275648648 in words is "two hundred seventy-five million, six hundred forty-eight thousand, six hundred forty-eight".