24920440145 has 16 divisors (see below), whose sum is σ = 30000170880. Its totient is φ = 19872687744.

The previous prime is 24920440141. The next prime is 24920440159. The reversal of 24920440145 is 54104402942.

It is a cyclic number.

It is not a de Polignac number, because 24920440145 - 2² = 24920440141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24920440141) 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, 2315186 + ... + 2325924.

It is an arithmetic number, because the mean of its divisors is an integer number (1875010680).

Almost surely, 2^24920440145 is an apocalyptic number.

It is an amenable number.

24920440145 is a deficient number, since it is larger than the sum of its proper divisors (5079730735).

24920440145 is a wasteful number, since it uses less digits than its factorization.

24920440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 24920440145 in words is "twenty-four billion, nine hundred twenty million, four hundred forty thousand, one hundred forty-five".