41645020 has 24 divisors (see below), whose sum is σ = 88233264. Its totient is φ = 16509696.

The previous prime is 41645003. The next prime is 41645029. The reversal of 41645020 is 2054614.

It is a junction number, because it is equal to n+sod(n) for n = 41644982 and 41645000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41645029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (3676386).

Almost surely, 2^41645020 is an apocalyptic number.

It is an amenable number.

41645020 is an abundant number, since it is smaller than the sum of its proper divisors (46588244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41645020 is a wasteful number, since it uses less digits than its factorization.

41645020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18549 (or 18547 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 41645020 is about 6453.2952822570. The cubic root of 41645020 is about 346.6205909342.

Adding to 41645020 its reverse (2054614), we get a palindrome (43699634).

The spelling of 41645020 in words is "forty-one million, six hundred forty-five thousand, twenty".