275405080 has 16 divisors (see below), whose sum is σ = 619661520. Its totient is φ = 110162016.

The previous prime is 275405063. The next prime is 275405087. The reversal of 275405080 is 80504572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275405087) by changing a digit.

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, 3442524 + ... + 3442603.

It is an arithmetic number, because the mean of its divisors is an integer number (38728845).

Almost surely, 2^275405080 is an apocalyptic number.

275405080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275405080 is an abundant number, since it is smaller than the sum of its proper divisors (344256440).

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

275405080 is a wasteful number, since it uses less digits than its factorization.

275405080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885138 (or 6885134 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 275405080 is about 16595.3330789111. Note that the first 3 decimals coincide. The cubic root of 275405080 is about 650.6148659174.

The spelling of 275405080 in words is "two hundred seventy-five million, four hundred five thousand, eighty".