43033300040 has 16 divisors (see below), whose sum is σ = 96824925180. Its totient is φ = 17213320000.

The previous prime is 43033300033. The next prime is 43033300139. The reversal of 43033300040 is 4000333034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41444002084 + 1589297956 = 203578^2 + 39866^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 43033299985 and 43033300021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537916211 + ... + 537916290.

Almost surely, 2^43033300040 is an apocalyptic number.

43033300040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43033300040 is an abundant number, since it is smaller than the sum of its proper divisors (53791625140).

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

43033300040 is a wasteful number, since it uses less digits than its factorization.

43033300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075832512 (or 1075832508 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 43033300040 its reverse (4000333034), we get a palindrome (47033633074).

The spelling of 43033300040 in words is "forty-three billion, thirty-three million, three hundred thousand, forty".