41640344 has 32 divisors (see below), whose sum is σ = 83099520. Its totient is φ = 19493376.

The previous prime is 41640331. The next prime is 41640349. The reversal of 41640344 is 44304614.

41640344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640349) 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 7 ways as a sum of consecutive naturals, for example, 29642 + ... + 31014.

It is an arithmetic number, because the mean of its divisors is an integer number (2596860).

Almost surely, 2^41640344 is an apocalyptic number.

It is an amenable number.

41640344 is a deficient number, since it is larger than the sum of its proper divisors (41459176).

41640344 is a wasteful number, since it uses less digits than its factorization.

41640344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 41640344 is about 6452.9329765619. The cubic root of 41640344 is about 346.6076173257.

Adding to 41640344 its reverse (44304614), we get a palindrome (85944958).

The spelling of 41640344 in words is "forty-one million, six hundred forty thousand, three hundred forty-four".