43243132446 has 16 divisors (see below), whose sum is σ = 96095850000. Its totient is φ = 14414377464.

The previous prime is 43243132423. The next prime is 43243132447. The reversal of 43243132446 is 64423134234.

43243132446 is a `hidden beast` number, since 4 + 324 + 3 + 1 + 324 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 43243132446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243132447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400399321 + ... + 400399428.

It is an arithmetic number, because the mean of its divisors is an integer number (6005990625).

Almost surely, 2^43243132446 is an apocalyptic number.

43243132446 is an abundant number, since it is smaller than the sum of its proper divisors (52852717554).

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

43243132446 is a wasteful number, since it uses less digits than its factorization.

43243132446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800798760 (or 800798754 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 43243132446 in words is "forty-three billion, two hundred forty-three million, one hundred thirty-two thousand, four hundred forty-six".