240043043 has 8 divisors (see below), whose sum is σ = 256020912. Its totient is φ = 224271616.

The previous prime is 240043021. The next prime is 240043073. The reversal of 240043043 is 340340042.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-240043043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240043003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49205 + ... + 53862.

It is an arithmetic number, because the mean of its divisors is an integer number (32002614).

Almost surely, 2^240043043 is an apocalyptic number.

240043043 is a deficient number, since it is larger than the sum of its proper divisors (15977869).

240043043 is a wasteful number, since it uses less digits than its factorization.

240043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103221.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 240043043 is about 15493.3225293996. The cubic root of 240043043 is about 621.4836502502.

Adding to 240043043 its reverse (340340042), we get a palindrome (580383085).

The spelling of 240043043 in words is "two hundred forty million, forty-three thousand, forty-three".