275041840 has 20 divisors (see below), whose sum is σ = 639472464. Its totient is φ = 110016704.

The previous prime is 275041807. The next prime is 275041867. The reversal of 275041840 is 48140572.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1718932 + ... + 1719091.

Almost surely, 2^275041840 is an apocalyptic number.

275041840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275041840 is an abundant number, since it is smaller than the sum of its proper divisors (364430624).

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

275041840 is a wasteful number, since it uses less digits than its factorization.

275041840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438036 (or 3438030 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 275041840 is about 16584.3854272626. The cubic root of 275041840 is about 650.3287015994.

The spelling of 275041840 in words is "two hundred seventy-five million, forty-one thousand, eight hundred forty".