556366042 has 8 divisors (see below), whose sum is σ = 840641076. Its totient is φ = 276152352.

The previous prime is 556366007. The next prime is 556366043. The reversal of 556366042 is 240663655.

It can be written as a sum of positive squares in 2 ways, for example, as 496442961 + 59923081 = 22281^2 + 7741^2 .

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 = 556365992 and 556366010.

It is not an unprimeable number, because it can be changed into a prime (556366043) 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, 1014993 + ... + 1015540.

Almost surely, 2^556366042 is an apocalyptic number.

556366042 is a deficient number, since it is larger than the sum of its proper divisors (284275034).

556366042 is a wasteful number, since it uses less digits than its factorization.

556366042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030672.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 556366042 is about 23587.4127873321. The cubic root of 556366042 is about 822.4702634889.

The spelling of 556366042 in words is "five hundred fifty-six million, three hundred sixty-six thousand, forty-two".