11323200440 has 16 divisors (see below), whose sum is σ = 25477201080. Its totient is φ = 4529280160.

The previous prime is 11323200439. The next prime is 11323200451. The reversal of 11323200440 is 4400232311.

11323200440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141539966 + ... + 141540045.

Almost surely, 2^11323200440 is an apocalyptic number.

11323200440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323200440 is an abundant number, since it is smaller than the sum of its proper divisors (14154000640).

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

11323200440 is a wasteful number, since it uses less digits than its factorization.

11323200440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283080022 (or 283080018 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11323200440 its reverse (4400232311), we get a palindrome (15723432751).

The spelling of 11323200440 in words is "eleven billion, three hundred twenty-three million, two hundred thousand, four hundred forty".