24640045 has 8 divisors (see below), whose sum is σ = 29596896. Its totient is φ = 19692816.

The previous prime is 24640043. The next prime is 24640087. The reversal of 24640045 is 54004642.

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 24640045 - 2¹ = 24640043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24640043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5754 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (3699612).

Almost surely, 2^24640045 is an apocalyptic number.

It is an amenable number.

24640045 is a deficient number, since it is larger than the sum of its proper divisors (4956851).

24640045 is a wasteful number, since it uses less digits than its factorization.

24640045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 24640045 is about 4963.8739911484. The cubic root of 24640045 is about 290.9916310973.

Adding to 24640045 its reverse (54004642), we get a palindrome (78644687).

The spelling of 24640045 in words is "twenty-four million, six hundred forty thousand, forty-five".