275133280 has 24 divisors (see below), whose sum is σ = 650002752. Its totient is φ = 110053248.

The previous prime is 275133263. The next prime is 275133293. The reversal of 275133280 is 82331572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859632 + ... + 859951.

It is an arithmetic number, because the mean of its divisors is an integer number (27083448).

Almost surely, 2^275133280 is an apocalyptic number.

275133280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275133280 is an abundant number, since it is smaller than the sum of its proper divisors (374869472).

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

275133280 is a wasteful number, since it uses less digits than its factorization.

275133280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719598 (or 1719590 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 275133280 is about 16587.1420081942. The cubic root of 275133280 is about 650.4007627177.

The spelling of 275133280 in words is "two hundred seventy-five million, one hundred thirty-three thousand, two hundred eighty".