40886909 has 4 divisors (see below), whose sum is σ = 46727904. Its totient is φ = 35045916.

The previous prime is 40886863. The next prime is 40886929. The reversal of 40886909 is 90968804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40886909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40886909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40886929) 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 3 ways as a sum of consecutive naturals, for example, 2920487 + ... + 2920500.

It is an arithmetic number, because the mean of its divisors is an integer number (11681976).

Almost surely, 2^40886909 is an apocalyptic number.

It is an amenable number.

40886909 is a deficient number, since it is larger than the sum of its proper divisors (5840995).

40886909 is an equidigital number, since it uses as much as digits as its factorization.

40886909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840994.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 40886909 is about 6394.2872159452. The cubic root of 40886909 is about 344.5043895399.

The spelling of 40886909 in words is "forty million, eight hundred eighty-six thousand, nine hundred nine".