40509067 has 8 divisors (see below), whose sum is σ = 41263040. Its totient is φ = 39761280.

The previous prime is 40509061. The next prime is 40509089. The reversal of 40509067 is 76090504.

40509067 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 40509067 - 2³ = 40509059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40509061) 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, 12883 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (5157880).

Almost surely, 2^40509067 is an apocalyptic number.

40509067 is a deficient number, since it is larger than the sum of its proper divisors (753973).

40509067 is a wasteful number, since it uses less digits than its factorization.

40509067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40509067 is about 6364.6733616109. The cubic root of 40509067 is about 343.4398983205.

The spelling of 40509067 in words is "forty million, five hundred nine thousand, sixty-seven".