111440442420344 has 16 divisors (see below), whose sum is σ = 219948241619400. Its totient is φ = 52787577988512.

The previous prime is 111440442420323. The next prime is 111440442420397. The reversal of 111440442420344 is 443024244044111.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 111440442420298 and 111440442420307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366580402547 + ... + 366580402850.

Almost surely, 2^{111440442420344} is an apocalyptic number.

It is an amenable number.

111440442420344 is a deficient number, since it is larger than the sum of its proper divisors (108507799199056).

111440442420344 is a wasteful number, since it uses less digits than its factorization.

111440442420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733160805422 (or 733160805418 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 111440442420344 its reverse (443024244044111), we get a palindrome (554464686464455).

The spelling of 111440442420344 in words is "one hundred eleven trillion, four hundred forty billion, four hundred forty-two million, four hundred twenty thousand, three hundred forty-four".