1440220082377 has 2 divisors, whose sum is σ = 1440220082378. Its totient is φ = 1440220082376.

The previous prime is 1440220082243. The next prime is 1440220082381. The reversal of 1440220082377 is 7732800220441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884269406736 + 555950675641 = 940356^2 + 745621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440220082377 - 2¹¹ = 1440220080329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440220482377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720110041188 + 720110041189.

It is an arithmetic number, because the mean of its divisors is an integer number (720110041189).

Almost surely, 2^{1440220082377} is an apocalyptic number.

It is an amenable number.

1440220082377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440220082377 is an equidigital number, since it uses as much as digits as its factorization.

1440220082377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 1440220082377 in words is "one trillion, four hundred forty billion, two hundred twenty million, eighty-two thousand, three hundred seventy-seven".