440243300947 has 2 divisors, whose sum is σ = 440243300948. Its totient is φ = 440243300946.

The previous prime is 440243300933. The next prime is 440243300953. The reversal of 440243300947 is 749003342044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440243300947 is a prime.

It is a super-2 number, since 2×440243300947² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440243300447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220121650473 + 220121650474.

It is an arithmetic number, because the mean of its divisors is an integer number (220121650474).

Almost surely, 2^440243300947 is an apocalyptic number.

440243300947 is a deficient number, since it is larger than the sum of its proper divisors (1).

440243300947 is an equidigital number, since it uses as much as digits as its factorization.

440243300947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 440243300947 in words is "four hundred forty billion, two hundred forty-three million, three hundred thousand, nine hundred forty-seven".