440046294197 has 2 divisors, whose sum is σ = 440046294198. Its totient is φ = 440046294196.

The previous prime is 440046294169. The next prime is 440046294203. The reversal of 440046294197 is 791492640044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401770893316 + 38275400881 = 633854^2 + 195641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440046294197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440046294137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220023147098 + 220023147099.

It is an arithmetic number, because the mean of its divisors is an integer number (220023147099).

Almost surely, 2^440046294197 is an apocalyptic number.

It is an amenable number.

440046294197 is a deficient number, since it is larger than the sum of its proper divisors (1).

440046294197 is an equidigital number, since it uses as much as digits as its factorization.

440046294197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 440046294197 in words is "four hundred forty billion, forty-six million, two hundred ninety-four thousand, one hundred ninety-seven".