40034219 has 2 divisors, whose sum is σ = 40034220. Its totient is φ = 40034218.

The previous prime is 40034213. The next prime is 40034231. The reversal of 40034219 is 91243004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40034219 - 2²⁰ = 38985643 is a prime.

It is a super-2 number, since 2×40034219² = 3205477381879922, 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 = 40034194 and 40034203.

It is not a weakly prime, because it can be changed into another prime (40034213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017109 + 20017110.

It is an arithmetic number, because the mean of its divisors is an integer number (20017110).

Almost surely, 2^40034219 is an apocalyptic number.

40034219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034219 is an equidigital number, since it uses as much as digits as its factorization.

40034219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40034219 is about 6327.2599914971. The cubic root of 40034219 is about 342.0926843173.

The spelling of 40034219 in words is "forty million, thirty-four thousand, two hundred nineteen".