11230403440 has 20 divisors (see below), whose sum is σ = 26110688184. Its totient is φ = 4492161344.

The previous prime is 11230403417. The next prime is 11230403479. The reversal of 11230403440 is 4430403211.

11230403440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11230403440² (a number of 21 digits) contains 22 as substring.

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, 70189942 + ... + 70190101.

Almost surely, 2^11230403440 is an apocalyptic number.

11230403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230403440 is an abundant number, since it is smaller than the sum of its proper divisors (14880284744).

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

11230403440 is a wasteful number, since it uses less digits than its factorization.

11230403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140380056 (or 140380050 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11230403440 its reverse (4430403211), we get a palindrome (15660806651).

The spelling of 11230403440 in words is "eleven billion, two hundred thirty million, four hundred three thousand, four hundred forty".