43090118 has 4 divisors (see below), whose sum is σ = 64635180. Its totient is φ = 21545058.

The previous prime is 43090111. The next prime is 43090123. The reversal of 43090118 is 81109034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81109034 = 2 ⋅40554517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43090111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10772528 + ... + 10772531.

It is an arithmetic number, because the mean of its divisors is an integer number (16158795).

Almost surely, 2^43090118 is an apocalyptic number.

43090118 is a deficient number, since it is larger than the sum of its proper divisors (21545062).

43090118 is a wasteful number, since it uses less digits than its factorization.

43090118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21545061.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 43090118 is about 6564.3063609189. The cubic root of 43090118 is about 350.5843788486.

The spelling of 43090118 in words is "forty-three million, ninety thousand, one hundred eighteen".