11223044012440 has 64 divisors (see below), whose sum is σ = 27253034524800. Its totient is φ = 4134942991872.

The previous prime is 11223044012437. The next prime is 11223044012473. The reversal of 11223044012440 is 4421044032211.

It is a super-3 number, since 3×11223044012440³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11223044012399 and 11223044012408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23066775 + ... + 23548294.

It is an arithmetic number, because the mean of its divisors is an integer number (425828664450).

Almost surely, 2^{11223044012440} is an apocalyptic number.

11223044012440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223044012440 is an abundant number, since it is smaller than the sum of its proper divisors (16029990512360).

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

11223044012440 is a wasteful number, since it uses less digits than its factorization.

11223044012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46615556 (or 46615552 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11223044012440 its reverse (4421044032211), we get a palindrome (15644088044651).

The spelling of 11223044012440 in words is "eleven trillion, two hundred twenty-three billion, forty-four million, twelve thousand, four hundred forty".