275399044 has 12 divisors (see below), whose sum is σ = 485467164. Its totient is φ = 136694144.

The previous prime is 275399021. The next prime is 275399057. The reversal of 275399044 is 440993572.

It can be written as a sum of positive squares in 2 ways, for example, as 229159044 + 46240000 = 15138^2 + 6800^2 .

It is a super-2 number, since 2×275399044² = 151689266872227872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250729 + ... + 251824.

It is an arithmetic number, because the mean of its divisors is an integer number (40455597).

Almost surely, 2^275399044 is an apocalyptic number.

It is an amenable number.

275399044 is a deficient number, since it is larger than the sum of its proper divisors (210068120).

275399044 is a wasteful number, since it uses less digits than its factorization.

275399044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502694 (or 502692 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 275399044 is about 16595.1512195581. The cubic root of 275399044 is about 650.6101127492.

The spelling of 275399044 in words is "two hundred seventy-five million, three hundred ninety-nine thousand, forty-four".