41045639 has 6 divisors (see below), whose sum is σ = 42908376. Its totient is φ = 39260540.

The previous prime is 41045591. The next prime is 41045677. The reversal of 41045639 is 93654014.

41045639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41045639 - 2⁸ = 41045383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41045689) 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 5 ways as a sum of consecutive naturals, for example, 38267 + ... + 39324.

It is an arithmetic number, because the mean of its divisors is an integer number (7151396).

Almost surely, 2^41045639 is an apocalyptic number.

41045639 is a deficient number, since it is larger than the sum of its proper divisors (1862737).

41045639 is an equidigital number, since it uses as much as digits as its factorization.

41045639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77637 (or 77614 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 41045639 is about 6406.6870533841. The cubic root of 41045639 is about 344.9496222737.

The spelling of 41045639 in words is "forty-one million, forty-five thousand, six hundred thirty-nine".