40103444 has 12 divisors (see below), whose sum is σ = 73232544. Its totient is φ = 19179864.

The previous prime is 40103431. The next prime is 40103447. The reversal of 40103444 is 44430104.

40103444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40103444² = 3216572441322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103447) by changing a digit.

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, 217862 + ... + 218045.

It is an arithmetic number, because the mean of its divisors is an integer number (6102712).

Almost surely, 2^40103444 is an apocalyptic number.

It is an amenable number.

40103444 is a deficient number, since it is larger than the sum of its proper divisors (33129100).

40103444 is a wasteful number, since it uses less digits than its factorization.

40103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435934 (or 435932 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40103444 is about 6332.7280061597. The cubic root of 40103444 is about 342.2897468158.

Adding to 40103444 its reverse (44430104), we get a palindrome (84533548).

The spelling of 40103444 in words is "forty million, one hundred three thousand, four hundred forty-four".