43118103040 has 80 divisors (see below), whose sum is σ = 103786238952. Its totient is φ = 17179869184.

The previous prime is 43118102999. The next prime is 43118103053. The reversal of 43118103040 is 4030181134.

It can be written as a sum of positive squares in 4 ways, for example, as 40365631744 + 2752471296 = 200912^2 + 52464^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 43118102996 and 43118103014.

It is an unprimeable number.

In principle, a polygon with 43118103040 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625152 + ... + 690688.

Almost surely, 2^43118103040 is an apocalyptic number.

43118103040 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 43118103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51893119476).

43118103040 is an abundant number, since it is smaller than the sum of its proper divisors (60668135912).

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

43118103040 is an equidigital number, since it uses as much as digits as its factorization.

43118103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65817 (or 65801 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 43118103040 its reverse (4030181134), we get a palindrome (47148284174).

The spelling of 43118103040 in words is "forty-three billion, one hundred eighteen million, one hundred three thousand, forty".