40964217 has 16 divisors (see below), whose sum is σ = 64109952. Its totient is φ = 22775040.

The previous prime is 40964197. The next prime is 40964221. The reversal of 40964217 is 71246904.

It is a happy number.

It is not a de Polignac number, because 40964217 - 2¹⁰ = 40963193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40964227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25584 + ... + 27137.

It is an arithmetic number, because the mean of its divisors is an integer number (4006872).

Almost surely, 2^40964217 is an apocalyptic number.

It is an amenable number.

40964217 is a deficient number, since it is larger than the sum of its proper divisors (23145735).

40964217 is a wasteful number, since it uses less digits than its factorization.

40964217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52768.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40964217 is about 6400.3294446458. The cubic root of 40964217 is about 344.7213797532.

The spelling of 40964217 in words is "forty million, nine hundred sixty-four thousand, two hundred seventeen".