24312221340 has 96 divisors (see below), whose sum is σ = 76823631360. Its totient is φ = 5690630400.

The previous prime is 24312221333. The next prime is 24312221357. The reversal of 24312221340 is 4312221342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 24312221340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615976 + ... + 654255.

It is an arithmetic number, because the mean of its divisors is an integer number (800246160).

Almost surely, 2^24312221340 is an apocalyptic number.

24312221340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24312221340 is an abundant number, since it is smaller than the sum of its proper divisors (52511410020).

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

24312221340 is a wasteful number, since it uses less digits than its factorization.

24312221340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270283 (or 1270281 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 24312221340 its reverse (4312221342), we get a palindrome (28624442682).

It can be divided in two parts, 243122 and 21340, that added together give a palindrome (264462).

The spelling of 24312221340 in words is "twenty-four billion, three hundred twelve million, two hundred twenty-one thousand, three hundred forty".