12440110040 has 16 divisors (see below), whose sum is σ = 27990247680. Its totient is φ = 4976044000.

The previous prime is 12440109973. The next prime is 12440110049. The reversal of 12440110040 is 4001104421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440110049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155501336 + ... + 155501415.

It is an arithmetic number, because the mean of its divisors is an integer number (1749390480).

Almost surely, 2^12440110040 is an apocalyptic number.

12440110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440110040 is an abundant number, since it is smaller than the sum of its proper divisors (15550137640).

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

12440110040 is a wasteful number, since it uses less digits than its factorization.

12440110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311002762 (or 311002758 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12440110040 its reverse (4001104421), we get a palindrome (16441214461).

The spelling of 12440110040 in words is "twelve billion, four hundred forty million, one hundred ten thousand, forty".