12440341004 has 96 divisors (see below), whose sum is σ = 27840153600. Its totient is φ = 4730906880.

The previous prime is 12440340967. The next prime is 12440341097. The reversal of 12440341004 is 40014304421.

It is a happy 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, 2520419 + ... + 2525349.

It is an arithmetic number, because the mean of its divisors is an integer number (290001600).

Almost surely, 2^12440341004 is an apocalyptic number.

12440341004 is a gapful number since it is divisible by the number (14) 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 12440341004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13920076800).

12440341004 is an abundant number, since it is smaller than the sum of its proper divisors (15399812596).

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

12440341004 is a wasteful number, since it uses less digits than its factorization.

12440341004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12440341004 its reverse (40014304421), we get a palindrome (52454645425).

The spelling of 12440341004 in words is "twelve billion, four hundred forty million, three hundred forty-one thousand, four".