43240450305 has 32 divisors (see below), whose sum is σ = 74881094400. Its totient is φ = 21180614400.

The previous prime is 43240450241. The next prime is 43240450313. The reversal of 43240450305 is 50305404234.

It is not a de Polignac number, because 43240450305 - 2⁶ = 43240450241 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 518346 + ... + 595955.

It is an arithmetic number, because the mean of its divisors is an integer number (2340034200).

Almost surely, 2^43240450305 is an apocalyptic number.

It is an amenable number.

43240450305 is a deficient number, since it is larger than the sum of its proper divisors (31640644095).

43240450305 is a wasteful number, since it uses less digits than its factorization.

43240450305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114521.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 43240450305 its reverse (50305404234), we get a palindrome (93545854539).

The spelling of 43240450305 in words is "forty-three billion, two hundred forty million, four hundred fifty thousand, three hundred five".