440056154216219 has 2 divisors, whose sum is σ = 440056154216220. Its totient is φ = 440056154216218.

The previous prime is 440056154216117. The next prime is 440056154216243. The reversal of 440056154216219 is 912612451650044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440056154216219 - 2⁸ = 440056154215963 is a prime.

It is a super-2 number, since 2×440056154216219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440056154236219) 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, 220028077108109 + 220028077108110.

It is an arithmetic number, because the mean of its divisors is an integer number (220028077108110).

Almost surely, 2^{440056154216219} is an apocalyptic number.

440056154216219 is a deficient number, since it is larger than the sum of its proper divisors (1).

440056154216219 is an equidigital number, since it uses as much as digits as its factorization.

440056154216219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 440056154216219 in words is "four hundred forty trillion, fifty-six billion, one hundred fifty-four million, two hundred sixteen thousand, two hundred nineteen".