440412213377 has 2 divisors, whose sum is σ = 440412213378. Its totient is φ = 440412213376.

The previous prime is 440412213347. The next prime is 440412213491. The reversal of 440412213377 is 773312214044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234564893761 + 205847319616 = 484319^2 + 453704^2 .

It is a cyclic number.

It is not a de Polignac number, because 440412213377 - 2⁶ = 440412213313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440412213377.

It is not a weakly prime, because it can be changed into another prime (440412213317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220206106688 + 220206106689.

It is an arithmetic number, because the mean of its divisors is an integer number (220206106689).

Almost surely, 2^440412213377 is an apocalyptic number.

It is an amenable number.

440412213377 is a deficient number, since it is larger than the sum of its proper divisors (1).

440412213377 is an equidigital number, since it uses as much as digits as its factorization.

440412213377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 440412213377 in words is "four hundred forty billion, four hundred twelve million, two hundred thirteen thousand, three hundred seventy-seven".