40346219 has 4 divisors (see below), whose sum is σ = 42719544. Its totient is φ = 37972896.

The previous prime is 40346213. The next prime is 40346227. The reversal of 40346219 is 91264304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40346219 - 2⁴ = 40346203 is a prime.

It is a super-2 number, since 2×40346219² = 3255634775191922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40346191 and 40346200.

It is not an unprimeable number, because it can be changed into a prime (40346213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186637 + ... + 1186670.

It is an arithmetic number, because the mean of its divisors is an integer number (10679886).

Almost surely, 2^40346219 is an apocalyptic number.

40346219 is a deficient number, since it is larger than the sum of its proper divisors (2373325).

40346219 is a wasteful number, since it uses less digits than its factorization.

40346219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373324.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40346219 is about 6351.8673632248. The cubic root of 40346219 is about 342.9790664011.

The spelling of 40346219 in words is "forty million, three hundred forty-six thousand, two hundred nineteen".