43240111400 has 96 divisors (see below), whose sum is σ = 101161025280. Its totient is φ = 17188416000.

The previous prime is 43240111381. The next prime is 43240111417. The reversal of 43240111400 is 411104234.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27593417 + ... + 27594983.

It is an arithmetic number, because the mean of its divisors is an integer number (1053760680).

Almost surely, 2^43240111400 is an apocalyptic number.

43240111400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43240111400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50580512640).

43240111400 is an abundant number, since it is smaller than the sum of its proper divisors (57920913880).

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

43240111400 is a wasteful number, since it uses less digits than its factorization.

43240111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 43240111400 its reverse (411104234), we get a palindrome (43651215634).

The spelling of 43240111400 in words is "forty-three billion, two hundred forty million, one hundred eleven thousand, four hundred".