40816589 has 8 divisors (see below), whose sum is σ = 45563232. Its totient is φ = 36242640.

The previous prime is 40816583. The next prime is 40816619. The reversal of 40816589 is 98561804.

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

It is a cyclic number.

It is not a de Polignac number, because 40816589 - 2¹² = 40812493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816583) 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, 42674 + ... + 43619.

It is an arithmetic number, because the mean of its divisors is an integer number (5695404).

Almost surely, 2^40816589 is an apocalyptic number.

It is an amenable number.

40816589 is a deficient number, since it is larger than the sum of its proper divisors (4746643).

40816589 is a wasteful number, since it uses less digits than its factorization.

40816589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86347.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 40816589 is about 6388.7861914451. The cubic root of 40816589 is about 344.3067757577.

The spelling of 40816589 in words is "forty million, eight hundred sixteen thousand, five hundred eighty-nine".