440612641219 has 2 divisors, whose sum is σ = 440612641220. Its totient is φ = 440612641218.

The previous prime is 440612641213. The next prime is 440612641243. The reversal of 440612641219 is 912146216044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440612641219 - 2²³ = 440604252611 is a prime.

It is a super-2 number, since 2×440612641219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440612641213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220306320609 + 220306320610.

It is an arithmetic number, because the mean of its divisors is an integer number (220306320610).

Almost surely, 2^440612641219 is an apocalyptic number.

440612641219 is a deficient number, since it is larger than the sum of its proper divisors (1).

440612641219 is an equidigital number, since it uses as much as digits as its factorization.

440612641219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 440612641219 in words is "four hundred forty billion, six hundred twelve million, six hundred forty-one thousand, two hundred nineteen".