275027540 has 24 divisors (see below), whose sum is σ = 577940832. Its totient is φ = 109938080.

The previous prime is 275027521. The next prime is 275027579. The reversal of 275027540 is 45720572.

It is a junction number, because it is equal to n+sod(n) for n = 275027497 and 275027506.

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 7 ways as a sum of consecutive naturals, for example, 34535 + ... + 41745.

It is an arithmetic number, because the mean of its divisors is an integer number (24080868).

Almost surely, 2^275027540 is an apocalyptic number.

275027540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275027540 is an abundant number, since it is smaller than the sum of its proper divisors (302913292).

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

275027540 is a wasteful number, since it uses less digits than its factorization.

275027540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127 (or 9125 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 275027540 is about 16583.9542932318. The cubic root of 275027540 is about 650.3174307547.

The spelling of 275027540 in words is "two hundred seventy-five million, twenty-seven thousand, five hundred forty".