2042666242 has 8 divisors (see below), whose sum is σ = 3071076876. Its totient is φ = 1018973952.

The previous prime is 2042666239. The next prime is 2042666257. The reversal of 2042666242 is 2426662402.

It can be written as a sum of positive squares in 2 ways, for example, as 2040419241 + 2247001 = 45171^2 + 1499^2 .

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 = 2042666198 and 2042666207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178503 + ... + 1180234.

Almost surely, 2^2042666242 is an apocalyptic number.

2042666242 is a deficient number, since it is larger than the sum of its proper divisors (1028410634).

2042666242 is a wasteful number, since it uses less digits than its factorization.

2042666242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359172.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2042666242 is about 45195.8653197391. The cubic root of 2042666242 is about 1268.8174335065.

It can be divided in two parts, 20426 and 66242, that added together give a palindrome (86668).

The spelling of 2042666242 in words is "two billion, forty-two million, six hundred sixty-six thousand, two hundred forty-two".