275485390 has 8 divisors (see below), whose sum is σ = 495873720. Its totient is φ = 110194152.

The previous prime is 275485369. The next prime is 275485393. The reversal of 275485390 is 93584572.

275485390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275485393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13774260 + ... + 13774279.

It is an arithmetic number, because the mean of its divisors is an integer number (61984215).

Almost surely, 2^275485390 is an apocalyptic number.

275485390 is a deficient number, since it is larger than the sum of its proper divisors (220388330).

275485390 is a wasteful number, since it uses less digits than its factorization.

275485390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27548546.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 275485390 is about 16597.7525587050. The cubic root of 275485390 is about 650.6781010156.

The spelling of 275485390 in words is "two hundred seventy-five million, four hundred eighty-five thousand, three hundred ninety".