40442106 has 8 divisors (see below), whose sum is σ = 80884224. Its totient is φ = 13480700.

The previous prime is 40442063. The next prime is 40442111. The reversal of 40442106 is 60124404.

40442106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40442106 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3370170 + ... + 3370181.

It is an arithmetic number, because the mean of its divisors is an integer number (10110528).

Almost surely, 2^40442106 is an apocalyptic number.

40442106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40442106 is a wasteful number, since it uses less digits than its factorization.

40442106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740356.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40442106 is about 6359.4108217664. The cubic root of 40442106 is about 343.2505599519.

The spelling of 40442106 in words is "forty million, four hundred forty-two thousand, one hundred six".