40959985 has 8 divisors (see below), whose sum is σ = 53620416. Its totient is φ = 29789040.

The previous prime is 40959979. The next prime is 40960001. The reversal of 40959985 is 58995904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40959985 - 2⁹ = 40959473 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 372309 + ... + 372418.

It is an arithmetic number, because the mean of its divisors is an integer number (6702552).

Almost surely, 2^40959985 is an apocalyptic number.

It is an amenable number.

40959985 is a deficient number, since it is larger than the sum of its proper divisors (12660431).

40959985 is a wasteful number, since it uses less digits than its factorization.

40959985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744743.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 40959985 is about 6399.9988281249. The cubic root of 40959985 is about 344.7095083263.

The spelling of 40959985 in words is "forty million, nine hundred fifty-nine thousand, nine hundred eighty-five".