2440019 has 2 divisors, whose sum is σ = 2440020. Its totient is φ = 2440018.

The previous prime is 2440007. The next prime is 2440021. The reversal of 2440019 is 9100442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2440019 - 2⁴ = 2440003 is a prime.

It is a super-2 number, since 2×2440019² = 11907385440722, which contains 22 as substring.

Together with 2440021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2440049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220009 + 1220010.

It is an arithmetic number, because the mean of its divisors is an integer number (1220010).

2^2440019 is an apocalyptic number.

2440019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440019 is an equidigital number, since it uses as much as digits as its factorization.

2440019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2440019 is about 1562.0560169213. The cubic root of 2440019 is about 134.6266593843.

The spelling of 2440019 in words is "two million, four hundred forty thousand, nineteen".