40824609 has 16 divisors (see below), whose sum is σ = 64914432. Its totient is φ = 22313808.

The previous prime is 40824601. The next prime is 40824611. The reversal of 40824609 is 90642804.

It is not a de Polignac number, because 40824609 - 2³ = 40824601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40824609.

It is not an unprimeable number, because it can be changed into a prime (40824601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41779 + ... + 42744.

It is an arithmetic number, because the mean of its divisors is an integer number (4057152).

Almost surely, 2^40824609 is an apocalyptic number.

It is an amenable number.

40824609 is a deficient number, since it is larger than the sum of its proper divisors (24089823).

40824609 is a wasteful number, since it uses less digits than its factorization.

40824609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84556.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40824609 is about 6389.4138228792. The cubic root of 40824609 is about 344.3293250820.

The spelling of 40824609 in words is "forty million, eight hundred twenty-four thousand, six hundred nine".