330042043 has 4 divisors (see below), whose sum is σ = 333309888. Its totient is φ = 326774200.

The previous prime is 330042001. The next prime is 330042049. The reversal of 330042043 is 340240033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340240033 = 7 ⋅48605719.

It is a cyclic number.

It is not a de Polignac number, because 330042043 - 2²¹ = 327944891 is a prime.

It is a super-2 number, since 2×330042043² = 217855500295227698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330042043.

It is not an unprimeable number, because it can be changed into a prime (330042049) 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, 1633771 + ... + 1633972.

It is an arithmetic number, because the mean of its divisors is an integer number (83327472).

Almost surely, 2^330042043 is an apocalyptic number.

330042043 is a deficient number, since it is larger than the sum of its proper divisors (3267845).

330042043 is a wasteful number, since it uses less digits than its factorization.

330042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267844.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 330042043 is about 18167.0592832192. The cubic root of 330042043 is about 691.0716687169.

Adding to 330042043 its reverse (340240033), we get a palindrome (670282076).

The spelling of 330042043 in words is "three hundred thirty million, forty-two thousand, forty-three".