43207840946 has 32 divisors (see below), whose sum is σ = 66559838400. Its totient is φ = 21028153536.

The previous prime is 43207840937. The next prime is 43207840997. The reversal of 43207840946 is 64904870234.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43207840946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13095605 + ... + 13098903.

It is an arithmetic number, because the mean of its divisors is an integer number (2079994950).

Almost surely, 2^43207840946 is an apocalyptic number.

43207840946 is a deficient number, since it is larger than the sum of its proper divisors (23351997454).

43207840946 is a wasteful number, since it uses less digits than its factorization.

43207840946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 43207840946 in words is "forty-three billion, two hundred seven million, eight hundred forty thousand, nine hundred forty-six".