440046294169 has 2 divisors, whose sum is σ = 440046294170. Its totient is φ = 440046294168.

The previous prime is 440046294143. The next prime is 440046294197. The reversal of 440046294169 is 961492640044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223267590144 + 216778704025 = 472512^2 + 465595^2 .

It is a cyclic number.

It is not a de Polignac number, because 440046294169 - 2⁵ = 440046294137 is a prime.

It is a super-2 number, since 2×440046294169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440056294169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220023147084 + 220023147085.

It is an arithmetic number, because the mean of its divisors is an integer number (220023147085).

Almost surely, 2^440046294169 is an apocalyptic number.

It is an amenable number.

440046294169 is a deficient number, since it is larger than the sum of its proper divisors (1).

440046294169 is an equidigital number, since it uses as much as digits as its factorization.

440046294169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 440046294169 in words is "four hundred forty billion, forty-six million, two hundred ninety-four thousand, one hundred sixty-nine".