440655464556077 has 2 divisors, whose sum is σ = 440655464556078. Its totient is φ = 440655464556076.

The previous prime is 440655464556007. The next prime is 440655464556089. The reversal of 440655464556077 is 770655464556044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358924354199401 + 81731110356676 = 18945299^2 + 9040526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440655464556077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440655464555998 and 440655464556016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440655464556007) 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, 220327732278038 + 220327732278039.

It is an arithmetic number, because the mean of its divisors is an integer number (220327732278039).

Almost surely, 2^{440655464556077} is an apocalyptic number.

It is an amenable number.

440655464556077 is a deficient number, since it is larger than the sum of its proper divisors (1).

440655464556077 is an equidigital number, since it uses as much as digits as its factorization.

440655464556077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440000, while the sum is 68.

The spelling of 440655464556077 in words is "four hundred forty trillion, six hundred fifty-five billion, four hundred sixty-four million, five hundred fifty-six thousand, seventy-seven".