275244928 has 64 divisors (see below), whose sum is σ = 629503200. Its totient is φ = 117430272.

The previous prime is 275244923. The next prime is 275244929. The reversal of 275244928 is 829442572.

It is a happy number.

275244928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275244923) 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, 247638 + ... + 248746.

Almost surely, 2^275244928 is an apocalyptic number.

275244928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275244928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314751600).

275244928 is an abundant number, since it is smaller than the sum of its proper divisors (354258272).

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

275244928 is a wasteful number, since it uses less digits than its factorization.

275244928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1395 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 275244928 is about 16590.5071652436. The cubic root of 275244928 is about 650.4887275084.

The spelling of 275244928 in words is "two hundred seventy-five million, two hundred forty-four thousand, nine hundred twenty-eight".