275481648 has 200 divisors, whose sum is σ = 873412848. Its totient is φ = 83317248.

The previous prime is 275481599. The next prime is 275481653. The reversal of 275481648 is 846184572.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1398286 + ... + 1398482.

Almost surely, 2^275481648 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 275481648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436706424).

275481648 is an abundant number, since it is smaller than the sum of its proper divisors (597931200).

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

275481648 is a wasteful number, since it uses less digits than its factorization.

275481648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 298 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 275481648 is about 16597.6398322171. The cubic root of 275481648 is about 650.6751548842.

The spelling of 275481648 in words is "two hundred seventy-five million, four hundred eighty-one thousand, six hundred forty-eight".