12304005640 has 32 divisors (see below), whose sum is σ = 27692642880. Its totient is φ = 4920068032.

The previous prime is 12304005619. The next prime is 12304005647. The reversal of 12304005640 is 4650040321.

It is not an unprimeable number, because it can be changed into a prime (12304005647) 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, 86637 + ... + 179203.

It is an arithmetic number, because the mean of its divisors is an integer number (865395090).

Almost surely, 2^12304005640 is an apocalyptic number.

12304005640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12304005640 is an abundant number, since it is smaller than the sum of its proper divisors (15388637240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12304005640 is a wasteful number, since it uses less digits than its factorization.

12304005640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95901 (or 95897 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12304005640 its reverse (4650040321), we get a palindrome (16954045961).

The spelling of 12304005640 in words is "twelve billion, three hundred four million, five thousand, six hundred forty".