40916889 has 12 divisors (see below), whose sum is σ = 63648676. Its totient is φ = 25179552.

The previous prime is 40916881. The next prime is 40916903. The reversal of 40916889 is 98861904.

40916889 is a `hidden beast` number, since 409 + 168 + 89 = 666.

40916889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 38340864 = 1605^2 + 6192^2 .

It is not a de Polignac number, because 40916889 - 2³ = 40916881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40916881) 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 11 ways as a sum of consecutive naturals, for example, 174742 + ... + 174975.

Almost surely, 2^40916889 is an apocalyptic number.

It is an amenable number.

40916889 is a deficient number, since it is larger than the sum of its proper divisors (22731787).

40916889 is a wasteful number, since it uses less digits than its factorization.

40916889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349736 (or 349733 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 40916889 is about 6396.6310664286. The cubic root of 40916889 is about 344.5885706671.

The spelling of 40916889 in words is "forty million, nine hundred sixteen thousand, eight hundred eighty-nine".