24140809 has 8 divisors (see below), whose sum is σ = 30097728. Its totient is φ = 18810960.

The previous prime is 24140807. The next prime is 24140843. The reversal of 24140809 is 90804142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 24140809 - 2¹ = 24140807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24140801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156682 + ... + 156835.

It is an arithmetic number, because the mean of its divisors is an integer number (3762216).

Almost surely, 2^24140809 is an apocalyptic number.

It is an amenable number.

24140809 is a deficient number, since it is larger than the sum of its proper divisors (5956919).

24140809 is a wasteful number, since it uses less digits than its factorization.

24140809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313535.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 24140809 is about 4913.3297263668. The cubic root of 24140809 is about 289.0129303011.

The spelling of 24140809 in words is "twenty-four million, one hundred forty thousand, eight hundred nine".