275557340 has 24 divisors (see below), whose sum is σ = 579097680. Its totient is φ = 110141568.

The previous prime is 275557307. The next prime is 275557363. The reversal of 275557340 is 43755572.

It is a junction number, because it is equal to n+sod(n) for n = 275557294 and 275557303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27899 + ... + 36461.

It is an arithmetic number, because the mean of its divisors is an integer number (24129070).

Almost surely, 2^275557340 is an apocalyptic number.

275557340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275557340 is an abundant number, since it is smaller than the sum of its proper divisors (303540340).

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

275557340 is a wasteful number, since it uses less digits than its factorization.

275557340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 275557340 is about 16599.9198793247. The cubic root of 275557340 is about 650.7347431170.

The spelling of 275557340 in words is "two hundred seventy-five million, five hundred fifty-seven thousand, three hundred forty".