111440442420342 has 128 divisors (see below), whose sum is σ = 290715908198400. Its totient is φ = 30982544972928.

The previous prime is 111440442420323. The next prime is 111440442420397. The reversal of 111440442420342 is 243024244044111.

111440442420342 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 0 + 442 + 4 + 203 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 111440442420297 and 111440442420306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15055617 + ... + 21202652.

It is an arithmetic number, because the mean of its divisors is an integer number (2271218032800).

Almost surely, 2^{111440442420342} is an apocalyptic number.

111440442420342 is an abundant number, since it is smaller than the sum of its proper divisors (179275465778058).

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

111440442420342 is a wasteful number, since it uses less digits than its factorization.

111440442420342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36258507 (or 36258501 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 111440442420342 its reverse (243024244044111), we get a palindrome (354464686464453).

The spelling of 111440442420342 in words is "one hundred eleven trillion, four hundred forty billion, four hundred forty-two million, four hundred twenty thousand, three hundred forty-two".