275340388 has 24 divisors (see below), whose sum is σ = 498161664. Its totient is φ = 133022400.

The previous prime is 275340371. The next prime is 275340407. The reversal of 275340388 is 883043572.

It is a self number, because there is not a number n which added to its sum of digits gives 275340388.

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, 104973 + ... + 107563.

It is an arithmetic number, because the mean of its divisors is an integer number (20756736).

Almost surely, 2^275340388 is an apocalyptic number.

It is an amenable number.

275340388 is a deficient number, since it is larger than the sum of its proper divisors (222821276).

275340388 is a wasteful number, since it uses less digits than its factorization.

275340388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 275340388 is about 16593.3838622506. The cubic root of 275340388 is about 650.5639192986.

The spelling of 275340388 in words is "two hundred seventy-five million, three hundred forty thousand, three hundred eighty-eight".