43126668 has 72 divisors (see below), whose sum is σ = 121784208. Its totient is φ = 13265856.

The previous prime is 43126663. The next prime is 43126691. The reversal of 43126668 is 86662134.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (43126661) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10930 + ... + 14342.

Almost surely, 2^43126668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43126668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60892104).

43126668 is an abundant number, since it is smaller than the sum of its proper divisors (78657540).

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

43126668 is a wasteful number, since it uses less digits than its factorization.

43126668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3431 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 43126668 is about 6567.0897664034. The cubic root of 43126668 is about 350.6834753341.

The spelling of 43126668 in words is "forty-three million, one hundred twenty-six thousand, six hundred sixty-eight".