412640219 has 4 divisors (see below), whose sum is σ = 412990800. Its totient is φ = 412289640.

The previous prime is 412640209. The next prime is 412640273. The reversal of 412640219 is 912046214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912046214 = 2 ⋅456023107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412640219 is a prime.

It is a super-2 number, since 2×412640219² = 340543900672735922, 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 = 412640191 and 412640200.

It is not an unprimeable number, because it can be changed into a prime (412640209) 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, 173519 + ... + 175880.

It is an arithmetic number, because the mean of its divisors is an integer number (103247700).

Almost surely, 2^412640219 is an apocalyptic number.

412640219 is a deficient number, since it is larger than the sum of its proper divisors (350581).

412640219 is a wasteful number, since it uses less digits than its factorization.

412640219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350580.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 412640219 is about 20313.5476714433. The cubic root of 412640219 is about 744.4871139218.

The spelling of 412640219 in words is "four hundred twelve million, six hundred forty thousand, two hundred nineteen".