275297264 has 60 divisors (see below), whose sum is σ = 597571128. Its totient is φ = 122728320.

The previous prime is 275297237. The next prime is 275297273. The reversal of 275297264 is 462792572.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 101267 + ... + 103949.

Almost surely, 2^275297264 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 275297264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298785564).

275297264 is an abundant number, since it is smaller than the sum of its proper divisors (322273864).

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

275297264 is a wasteful number, since it uses less digits than its factorization.

275297264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766 (or 2749 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 275297264 is about 16592.0843777990. The cubic root of 275297264 is about 650.5299536032.

The spelling of 275297264 in words is "two hundred seventy-five million, two hundred ninety-seven thousand, two hundred sixty-four".