440223044303957 has 2 divisors, whose sum is σ = 440223044303958. Its totient is φ = 440223044303956.

The previous prime is 440223044303849. The next prime is 440223044303969. The reversal of 440223044303957 is 759303440322044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438185841886321 + 2037202417636 = 20932889^2 + 1427306^2 .

It is a cyclic number.

It is not a de Polignac number, because 440223044303957 - 2²² = 440223040109653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440223044306957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220111522151978 + 220111522151979.

It is an arithmetic number, because the mean of its divisors is an integer number (220111522151979).

Almost surely, 2^{440223044303957} is an apocalyptic number.

It is an amenable number.

440223044303957 is a deficient number, since it is larger than the sum of its proper divisors (1).

440223044303957 is an equidigital number, since it uses as much as digits as its factorization.

440223044303957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 50.

The spelling of 440223044303957 in words is "four hundred forty trillion, two hundred twenty-three billion, forty-four million, three hundred three thousand, nine hundred fifty-seven".