24040091 has 4 divisors (see below), whose sum is σ = 25454232. Its totient is φ = 22625952.

The previous prime is 24040087. The next prime is 24040109. The reversal of 24040091 is 19004042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19004042 = 2 ⋅9502021.

It is a cyclic number.

It is not a de Polignac number, because 24040091 - 2² = 24040087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24040031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707045 + ... + 707078.

It is an arithmetic number, because the mean of its divisors is an integer number (6363558).

Almost surely, 2^24040091 is an apocalyptic number.

24040091 is a deficient number, since it is larger than the sum of its proper divisors (1414141).

24040091 is a wasteful number, since it uses less digits than its factorization.

24040091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414140.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 24040091 is about 4903.0695487623. The cubic root of 24040091 is about 288.6104392320.

The spelling of 24040091 in words is "twenty-four million, forty thousand, ninety-one".