11443112440 has 32 divisors (see below), whose sum is σ = 25811246160. Its totient is φ = 4565824000.

The previous prime is 11443112413. The next prime is 11443112459. The reversal of 11443112440 is 4421134411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340666 + ... + 372745.

Almost surely, 2^11443112440 is an apocalyptic number.

11443112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11443112440 is an abundant number, since it is smaller than the sum of its proper divisors (14368133720).

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

11443112440 is a wasteful number, since it uses less digits than its factorization.

11443112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713823 (or 713819 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11443112440 its reverse (4421134411), we get a palindrome (15864246851).

The spelling of 11443112440 in words is "eleven billion, four hundred forty-three million, one hundred twelve thousand, four hundred forty".