2440468189 has 2 divisors, whose sum is σ = 2440468190. Its totient is φ = 2440468188.

The previous prime is 2440468181. The next prime is 2440468193. The reversal of 2440468189 is 9818640442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1851580900 + 588887289 = 43030^2 + 24267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440468189 - 2³ = 2440468181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440468181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220234094 + 1220234095.

It is an arithmetic number, because the mean of its divisors is an integer number (1220234095).

Almost surely, 2^2440468189 is an apocalyptic number.

It is an amenable number.

2440468189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440468189 is an equidigital number, since it uses as much as digits as its factorization.

2440468189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2440468189 is about 49401.0950182281. The cubic root of 2440468189 is about 1346.3492012651.

The spelling of 2440468189 in words is "two billion, four hundred forty million, four hundred sixty-eight thousand, one hundred eighty-nine".