275542042 has 8 divisors (see below), whose sum is σ = 417957300. Its totient is φ = 136222944.

The previous prime is 275542019. The next prime is 275542049. The reversal of 275542042 is 240245572.

It can be written as a sum of positive squares in 2 ways, for example, as 269583561 + 5958481 = 16419^2 + 2441^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 275541995 and 275542013.

It is not an unprimeable number, because it can be changed into a prime (275542049) 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, 773817 + ... + 774172.

Almost surely, 2^275542042 is an apocalyptic number.

275542042 is a deficient number, since it is larger than the sum of its proper divisors (142415258).

275542042 is a wasteful number, since it uses less digits than its factorization.

275542042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548080.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 275542042 is about 16599.4590875727. The cubic root of 275542042 is about 650.7227007059.

The spelling of 275542042 in words is "two hundred seventy-five million, five hundred forty-two thousand, forty-two".