12334453440 has 224 divisors, whose sum is σ = 41842456320. Its totient is φ = 3069259776.

The previous prime is 12334453433. The next prime is 12334453441. The reversal of 12334453440 is 4435443321.

It is not an unprimeable number, because it can be changed into a prime (12334453441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217034 + ... + 1227126.

It is an arithmetic number, because the mean of its divisors is an integer number (186796680).

Almost surely, 2^12334453440 is an apocalyptic number.

12334453440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12334453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20921228160).

12334453440 is an abundant number, since it is smaller than the sum of its proper divisors (29508002880).

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

12334453440 is a wasteful number, since it uses less digits than its factorization.

12334453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199 (or 10189 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 12334453440 its reverse (4435443321), we get a palindrome (16769896761).

The spelling of 12334453440 in words is "twelve billion, three hundred thirty-four million, four hundred fifty-three thousand, four hundred forty".