240043100420443 has 2 divisors, whose sum is σ = 240043100420444. Its totient is φ = 240043100420442.

The previous prime is 240043100420413. The next prime is 240043100420447. The reversal of 240043100420443 is 344024001340042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240043100420443 is a prime.

It is not a weakly prime, because it can be changed into another prime (240043100420447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120021550210221 + 120021550210222.

It is an arithmetic number, because the mean of its divisors is an integer number (120021550210222).

Almost surely, 2^{240043100420443} is an apocalyptic number.

240043100420443 is a deficient number, since it is larger than the sum of its proper divisors (1).

240043100420443 is an equidigital number, since it uses as much as digits as its factorization.

240043100420443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 240043100420443 its reverse (344024001340042), we get a palindrome (584067101760485).

The spelling of 240043100420443 in words is "two hundred forty trillion, forty-three billion, one hundred million, four hundred twenty thousand, four hundred forty-three".