111440404 has 12 divisors (see below), whose sum is σ = 195279700. Its totient is φ = 55646208.

The previous prime is 111440383. The next prime is 111440437. The reversal of 111440404 is 404044111.

It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 60031504 = 7170^2 + 7748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15039 + ... + 21190.

Almost surely, 2^111440404 is an apocalyptic number.

It is an amenable number.

111440404 is a deficient number, since it is larger than the sum of its proper divisors (83839296).

111440404 is a wasteful number, since it uses less digits than its factorization.

111440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37002 (or 37000 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 111440404 is about 10556.5337114036. The cubic root of 111440404 is about 481.2243109018.

Adding to 111440404 its reverse (404044111), we get a palindrome (515484515).

The spelling of 111440404 in words is "one hundred eleven million, four hundred forty thousand, four hundred four".