43243344405 has 48 divisors (see below), whose sum is σ = 79336333440. Its totient is φ = 21728476800.

The previous prime is 43243344401. The next prime is 43243344409. The reversal of 43243344405 is 50444334234.

43243344405 is a `hidden beast` number, since 4 + 3 + 243 + 3 + 4 + 4 + 405 = 666.

It is an interprime number because it is at equal distance from previous prime (43243344401) and next prime (43243344409).

It is not a de Polignac number, because 43243344405 - 2² = 43243344401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43243344405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243344401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15040 + ... + 294470.

It is an arithmetic number, because the mean of its divisors is an integer number (1652840280).

Almost surely, 2^43243344405 is an apocalyptic number.

43243344405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43243344405 is a deficient number, since it is larger than the sum of its proper divisors (36092989035).

43243344405 is a wasteful number, since it uses less digits than its factorization.

43243344405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279642 (or 279639 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 43243344405 its reverse (50444334234), we get a palindrome (93687678639).

The spelling of 43243344405 in words is "forty-three billion, two hundred forty-three million, three hundred forty-four thousand, four hundred five".