111400434240 has 112 divisors (see below), whose sum is σ = 374502102912. Its totient is φ = 27959320576.

The previous prime is 111400434199. The next prime is 111400434259. The reversal of 111400434240 is 42434004111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 111400434240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396684 + ... + 3429323.

It is an arithmetic number, because the mean of its divisors is an integer number (3343768776).

Almost surely, 2^111400434240 is an apocalyptic number.

111400434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111400434240 is an abundant number, since it is smaller than the sum of its proper divisors (263101668672).

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

111400434240 is a wasteful number, since it uses less digits than its factorization.

111400434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826044 (or 6826034 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111400434240 its reverse (42434004111), we get a palindrome (153834438351).

The spelling of 111400434240 in words is "one hundred eleven billion, four hundred million, four hundred thirty-four thousand, two hundred forty".