40219106 has 4 divisors (see below), whose sum is σ = 60328662. Its totient is φ = 20109552.

The previous prime is 40219087. The next prime is 40219133. The reversal of 40219106 is 60191204.

It is a happy number.

40219106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38328481 + 1890625 = 6191^2 + 1375^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10054775 + ... + 10054778.

Almost surely, 2^40219106 is an apocalyptic number.

40219106 is a deficient number, since it is larger than the sum of its proper divisors (20109556).

40219106 is a wasteful number, since it uses less digits than its factorization.

40219106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109555.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40219106 is about 6341.8535145492. The cubic root of 40219106 is about 342.6184959480.

The spelling of 40219106 in words is "forty million, two hundred nineteen thousand, one hundred six".