10440019 has 2 divisors, whose sum is σ = 10440020. Its totient is φ = 10440018.

The previous prime is 10440011. The next prime is 10440037. The reversal of 10440019 is 91004401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10440019 - 2³ = 10440011 is a prime.

It is a super-2 number, since 2×10440019² = 217987993440722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10439978 and 10440005.

It is not a weakly prime, because it can be changed into another prime (10440011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5220009 + 5220010.

It is an arithmetic number, because the mean of its divisors is an integer number (5220010).

Almost surely, 2^10440019 is an apocalyptic number.

10440019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10440019 is an equidigital number, since it uses as much as digits as its factorization.

10440019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10440019 is about 3231.1018244556. The cubic root of 10440019 is about 218.5581955173.

The spelling of 10440019 in words is "ten million, four hundred forty thousand, nineteen".