11418444 has 18 divisors (see below), whose sum is σ = 28863380. Its totient is φ = 3806136.

The previous prime is 11418437. The next prime is 11418457. The reversal of 11418444 is 44481411.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11418444² = 260761726762272, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 158554 + ... + 158625.

Almost surely, 2^11418444 is an apocalyptic number.

It is an amenable number.

11418444 is an abundant number, since it is smaller than the sum of its proper divisors (17444936).

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

11418444 is a wasteful number, since it uses less digits than its factorization.

11418444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317189 (or 317184 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 11418444 is about 3379.1188200476. The cubic root of 11418444 is about 225.1830214551.

Adding to 11418444 its reverse (44481411), we get a palindrome (55899855).

The spelling of 11418444 in words is "eleven million, four hundred eighteen thousand, four hundred forty-four".