2240143443977 has 2 divisors, whose sum is σ = 2240143443978. Its totient is φ = 2240143443976.

The previous prime is 2240143443947. The next prime is 2240143444027. The reversal of 2240143443977 is 7793443410422.

It is an a-pointer prime, because the next prime (2240143444027) can be obtained adding 2240143443977 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085681867721 + 154461576256 = 1444189^2 + 393016^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240143443977 - 2⁸ = 2240143443721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2240143443907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120071721988 + 1120071721989.

It is an arithmetic number, because the mean of its divisors is an integer number (1120071721989).

Almost surely, 2^{2240143443977} is an apocalyptic number.

It is an amenable number.

2240143443977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240143443977 is an equidigital number, since it uses as much as digits as its factorization.

2240143443977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 2240143443977 in words is "two trillion, two hundred forty billion, one hundred forty-three million, four hundred forty-three thousand, nine hundred seventy-seven".