40424609 has 8 divisors (see below), whose sum is σ = 43703040. Its totient is φ = 37261296.

The previous prime is 40424599. The next prime is 40424611. The reversal of 40424609 is 90642404.

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 40424609 - 2⁸ = 40424353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40424669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28049 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (5462880).

Almost surely, 2^40424609 is an apocalyptic number.

It is an amenable number.

40424609 is a deficient number, since it is larger than the sum of its proper divisors (3278431).

40424609 is a wasteful number, since it uses less digits than its factorization.

40424609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57559.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40424609 is about 6358.0349951852. The cubic root of 40424609 is about 343.2010511439.

The spelling of 40424609 in words is "forty million, four hundred twenty-four thousand, six hundred nine".