40096209 has 8 divisors (see below), whose sum is σ = 53555040. Its totient is φ = 26684096.

The previous prime is 40096193. The next prime is 40096229. The reversal of 40096209 is 90269004.

40096209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40096209 - 2⁴ = 40096193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40096229) 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 7 ways as a sum of consecutive naturals, for example, 9624 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (6694380).

Almost surely, 2^40096209 is an apocalyptic number.

It is an amenable number.

40096209 is a deficient number, since it is larger than the sum of its proper divisors (13458831).

40096209 is a wasteful number, since it uses less digits than its factorization.

40096209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23359.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 40096209 is about 6332.1567415850. The cubic root of 40096209 is about 342.2691615907.

The spelling of 40096209 in words is "forty million, ninety-six thousand, two hundred nine".