275880270 has 16 divisors (see below), whose sum is σ = 662112720. Its totient is φ = 73568064.

The previous prime is 275880263. The next prime is 275880307. The reversal of 275880270 is 72088572.

It is a super-2 number, since 2×275880270² = 152219846750545800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4597975 + ... + 4598034.

It is an arithmetic number, because the mean of its divisors is an integer number (41382045).

Almost surely, 2^275880270 is an apocalyptic number.

275880270 is an abundant number, since it is smaller than the sum of its proper divisors (386232450).

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

275880270 is a wasteful number, since it uses less digits than its factorization.

275880270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196019.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 275880270 is about 16609.6438854059. The cubic root of 275880270 is about 650.9888459891.

It can be divided in two parts, 2758 and 80270, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 275880270 in words is "two hundred seventy-five million, eight hundred eighty thousand, two hundred seventy".