12440311044 has 24 divisors (see below), whose sum is σ = 33174163008. Its totient is φ = 3554374560.

The previous prime is 12440311031. The next prime is 12440311063. The reversal of 12440311044 is 44011304421.

It is a super-2 number, since 2×12440311044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74049387 + ... + 74049554.

It is an arithmetic number, because the mean of its divisors is an integer number (1382256792).

Almost surely, 2^12440311044 is an apocalyptic number.

12440311044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12440311044 is an abundant number, since it is smaller than the sum of its proper divisors (20733851964).

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

12440311044 is a wasteful number, since it uses less digits than its factorization.

12440311044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148098955 (or 148098953 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12440311044 its reverse (44011304421), we get a palindrome (56451615465).

The spelling of 12440311044 in words is "twelve billion, four hundred forty million, three hundred eleven thousand, forty-four".