275998242 has 32 divisors (see below), whose sum is σ = 605683008. Its totient is φ = 83318976.

The previous prime is 275998193. The next prime is 275998243. The reversal of 275998242 is 242899572.

It is a junction number, because it is equal to n+sod(n) for n = 275998191 and 275998200.

It is not an unprimeable number, because it can be changed into a prime (275998243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29248 + ... + 37515.

It is an arithmetic number, because the mean of its divisors is an integer number (18927594).

Almost surely, 2^275998242 is an apocalyptic number.

275998242 is an abundant number, since it is smaller than the sum of its proper divisors (329684766).

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

275998242 is a wasteful number, since it uses less digits than its factorization.

275998242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66834.

The product of its digits is 725760, while the sum is 48.

The square root of 275998242 is about 16613.1948161695. The cubic root of 275998242 is about 651.0816247778.

The spelling of 275998242 in words is "two hundred seventy-five million, nine hundred ninety-eight thousand, two hundred forty-two".