2400220442989 has 2 divisors, whose sum is σ = 2400220442990. Its totient is φ = 2400220442988.

The previous prime is 2400220442947. The next prime is 2400220443007. The reversal of 2400220442989 is 9892440220042.

2400220442989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2070887927364 + 329332515625 = 1439058^2 + 573875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400220442989 - 2¹⁵ = 2400220410221 is a prime.

It is a super-2 number, since 2×2400220442989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400220442909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200110221494 + 1200110221495.

It is an arithmetic number, because the mean of its divisors is an integer number (1200110221495).

Almost surely, 2^{2400220442989} is an apocalyptic number.

It is an amenable number.

2400220442989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400220442989 is an equidigital number, since it uses as much as digits as its factorization.

2400220442989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 2400220442989 in words is "two trillion, four hundred billion, two hundred twenty million, four hundred forty-two thousand, nine hundred eighty-nine".