111330342440 has 32 divisors (see below), whose sum is σ = 250585845480. Its totient is φ = 44515679232.

The previous prime is 111330342379. The next prime is 111330342449. The reversal of 111330342440 is 44243033111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97772534596 + 13557807844 = 312686^2 + 116438^2 .

It is not an unprimeable number, because it can be changed into a prime (111330342449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404429 + ... + 621468.

Almost surely, 2^111330342440 is an apocalyptic number.

111330342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111330342440 is an abundant number, since it is smaller than the sum of its proper divisors (139255503040).

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

111330342440 is a wasteful number, since it uses less digits than its factorization.

111330342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028621 (or 1028617 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 111330342440 its reverse (44243033111), we get a palindrome (155573375551).

The spelling of 111330342440 in words is "one hundred eleven billion, three hundred thirty million, three hundred forty-two thousand, four hundred forty".