40444118 has 16 divisors (see below), whose sum is σ = 71272656. Its totient is φ = 16969440.

The previous prime is 40444099. The next prime is 40444127. The reversal of 40444118 is 81144404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 70421 + ... + 70992.

It is an arithmetic number, because the mean of its divisors is an integer number (4454541).

Almost surely, 2^40444118 is an apocalyptic number.

40444118 is a deficient number, since it is larger than the sum of its proper divisors (30828538).

40444118 is a wasteful number, since it uses less digits than its factorization.

40444118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141439.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 40444118 is about 6359.5690105541. The cubic root of 40444118 is about 343.2562521108.

The spelling of 40444118 in words is "forty million, four hundred forty-four thousand, one hundred eighteen".