43340424 has 32 divisors (see below), whose sum is σ = 109972320. Its totient is φ = 14230656.

The previous prime is 43340417. The next prime is 43340477. The reversal of 43340424 is 42404334.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 43340394 and 43340403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11869 + ... + 15084.

It is an arithmetic number, because the mean of its divisors is an integer number (3436635).

Almost surely, 2^43340424 is an apocalyptic number.

It is an amenable number.

43340424 is an abundant number, since it is smaller than the sum of its proper divisors (66631896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43340424 is a wasteful number, since it uses less digits than its factorization.

43340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27029 (or 27025 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 43340424 is about 6583.3444388092. The cubic root of 43340424 is about 351.2619046720.

Adding to 43340424 its reverse (42404334), we get a palindrome (85744758).

The spelling of 43340424 in words is "forty-three million, three hundred forty thousand, four hundred twenty-four".