43109426 has 12 divisors (see below), whose sum is σ = 65341626. Its totient is φ = 21331200.

The previous prime is 43109413. The next prime is 43109441. The reversal of 43109426 is 62490134.

It can be written as a sum of positive squares in 3 ways, for example, as 41667025 + 1442401 = 6455^2 + 1201^2 .

It is a super-2 number, since 2×43109426² = 3716845220098952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19346 + ... + 21458.

Almost surely, 2^43109426 is an apocalyptic number.

43109426 is a deficient number, since it is larger than the sum of its proper divisors (22232200).

43109426 is a wasteful number, since it uses less digits than its factorization.

43109426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2216 counting only the distinct ones).

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

The square root of 43109426 is about 6565.7768771106. The cubic root of 43109426 is about 350.6367348002.

The spelling of 43109426 in words is "forty-three million, one hundred nine thousand, four hundred twenty-six".