43242433040 has 20 divisors (see below), whose sum is σ = 100538657004. Its totient is φ = 17296973184.

The previous prime is 43242433037. The next prime is 43242433093. The reversal of 43242433040 is 4033424234.

It can be written as a sum of positive squares in 2 ways, for example, as 31415435536 + 11826997504 = 177244^2 + 108752^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 43242432994 and 43242433012.

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, 270265127 + ... + 270265286.

Almost surely, 2^43242433040 is an apocalyptic number.

43242433040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43242433040 is an abundant number, since it is smaller than the sum of its proper divisors (57296223964).

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

43242433040 is a wasteful number, since it uses less digits than its factorization.

43242433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540530426 (or 540530420 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 43242433040 its reverse (4033424234), we get a palindrome (47275857274).

The spelling of 43242433040 in words is "forty-three billion, two hundred forty-two million, four hundred thirty-three thousand, forty".