11214230440 has 32 divisors (see below), whose sum is σ = 28836593280. Its totient is φ = 3844878912.

The previous prime is 11214230437. The next prime is 11214230471. The reversal of 11214230440 is 4403241211.

It is a happy number.

11214230440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11214230440² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20025132 + ... + 20025691.

It is an arithmetic number, because the mean of its divisors is an integer number (901143540).

Almost surely, 2^11214230440 is an apocalyptic number.

11214230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11214230440 is an abundant number, since it is smaller than the sum of its proper divisors (17622362840).

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

11214230440 is a wasteful number, since it uses less digits than its factorization.

11214230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40050841 (or 40050837 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11214230440 its reverse (4403241211), we get a palindrome (15617471651).

The spelling of 11214230440 in words is "eleven billion, two hundred fourteen million, two hundred thirty thousand, four hundred forty".