41640445 has 24 divisors (see below), whose sum is σ = 63415008. Its totient is φ = 25956000.

The previous prime is 41640437. The next prime is 41640499. The reversal of 41640445 is 54404614.

It is not a de Polignac number, because 41640445 - 2³ = 41640437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5031 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (2642292).

Almost surely, 2^41640445 is an apocalyptic number.

It is an amenable number.

41640445 is a deficient number, since it is larger than the sum of its proper divisors (21774563).

41640445 is a wasteful number, since it uses less digits than its factorization.

41640445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15481 (or 15474 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 41640445 is about 6452.9408024559. The cubic root of 41640445 is about 346.6078975615.

The spelling of 41640445 in words is "forty-one million, six hundred forty thousand, four hundred forty-five".