240330043 has 4 divisors (see below), whose sum is σ = 241719408. Its totient is φ = 238940680.

The previous prime is 240330029. The next prime is 240330049. The reversal of 240330043 is 340033042.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-240330043 is a prime.

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 240330043.

It is not an unprimeable number, because it can be changed into a prime (240330049) 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, 694423 + ... + 694768.

It is an arithmetic number, because the mean of its divisors is an integer number (60429852).

Almost surely, 2^240330043 is an apocalyptic number.

240330043 is a deficient number, since it is larger than the sum of its proper divisors (1389365).

240330043 is a wasteful number, since it uses less digits than its factorization.

240330043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389364.

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

The square root of 240330043 is about 15502.5818172329. The cubic root of 240330043 is about 621.7312374700.

Adding to 240330043 its reverse (340033042), we get a palindrome (580363085).

The spelling of 240330043 in words is "two hundred forty million, three hundred thirty thousand, forty-three".