440162663602231 has 2 divisors, whose sum is σ = 440162663602232. Its totient is φ = 440162663602230.

The previous prime is 440162663602223. The next prime is 440162663602267. The reversal of 440162663602231 is 132206366261044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440162663602231 - 2³ = 440162663602223 is a prime.

It is a super-2 number, since 2×440162663602231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440162663602031) 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, 220081331801115 + 220081331801116.

It is an arithmetic number, because the mean of its divisors is an integer number (220081331801116).

Almost surely, 2^{440162663602231} is an apocalyptic number.

440162663602231 is a deficient number, since it is larger than the sum of its proper divisors (1).

440162663602231 is an equidigital number, since it uses as much as digits as its factorization.

440162663602231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 440162663602231 in words is "four hundred forty trillion, one hundred sixty-two billion, six hundred sixty-three million, six hundred two thousand, two hundred thirty-one".