43240219 has 12 divisors (see below), whose sum is σ = 49789080. Its totient is φ = 37236960.

The previous prime is 43240213. The next prime is 43240229. The reversal of 43240219 is 91204234.

It is not a de Polignac number, because 43240219 - 2¹¹ = 43238171 is a prime.

It is a super-2 number, since 2×43240219² = 3739433078335922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43240193 and 43240202.

It is not an unprimeable number, because it can be changed into a prime (43240213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1474 + ... + 9415.

It is an arithmetic number, because the mean of its divisors is an integer number (4149090).

Almost surely, 2^43240219 is an apocalyptic number.

43240219 is a deficient number, since it is larger than the sum of its proper divisors (6548861).

43240219 is a wasteful number, since it uses less digits than its factorization.

43240219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 43240219 is about 6575.7295412752. The cubic root of 43240219 is about 350.9909846901.

The spelling of 43240219 in words is "forty-three million, two hundred forty thousand, two hundred nineteen".