440243241047 has 2 divisors, whose sum is σ = 440243241048. Its totient is φ = 440243241046.

The previous prime is 440243241037. The next prime is 440243241049. The reversal of 440243241047 is 740142342044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440243241047 is a prime.

It is a super-2 number, since 2×440243241047² (a number of 24 digits) contains 22 as substring.

Together with 440243241049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440243240998 and 440243241016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440243241049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220121620523 + 220121620524.

It is an arithmetic number, because the mean of its divisors is an integer number (220121620524).

Almost surely, 2^440243241047 is an apocalyptic number.

440243241047 is a deficient number, since it is larger than the sum of its proper divisors (1).

440243241047 is an equidigital number, since it uses as much as digits as its factorization.

440243241047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 35.

The spelling of 440243241047 in words is "four hundred forty billion, two hundred forty-three million, two hundred forty-one thousand, forty-seven".