24140312021 has 12 divisors (see below), whose sum is σ = 28295958240. Its totient is φ = 20533738680.

The previous prime is 24140312011. The next prime is 24140312071. The reversal of 24140312021 is 12021304142.

It is a de Polignac number, because none of the positive numbers 2^k-24140312021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24140311984 and 24140312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24140312011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873961 + ... + 1886798.

It is an arithmetic number, because the mean of its divisors is an integer number (2357996520).

Almost surely, 2^24140312021 is an apocalyptic number.

It is an amenable number.

24140312021 is a deficient number, since it is larger than the sum of its proper divisors (4155646219).

24140312021 is a wasteful number, since it uses less digits than its factorization.

24140312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760904 (or 3760897 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 24140312021 its reverse (12021304142), we get a palindrome (36161616163).

The spelling of 24140312021 in words is "twenty-four billion, one hundred forty million, three hundred twelve thousand, twenty-one".