43406545320002 has 4 divisors (see below), whose sum is σ = 65109817980006. Its totient is φ = 21703272660000.

The previous prime is 43406545320001. The next prime is 43406545320007. The reversal of 43406545320002 is 20002354560434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33445066815241 + 9961478504761 = 5783171^2 + 3156181^2 .

It is not an unprimeable number, because it can be changed into a prime (43406545320001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10851636329999 + ... + 10851636330002.

Almost surely, 2^{43406545320002} is an apocalyptic number.

43406545320002 is a deficient number, since it is larger than the sum of its proper divisors (21703272660004).

43406545320002 is a wasteful number, since it uses less digits than its factorization.

43406545320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703272660003.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 43406545320002 its reverse (20002354560434), we get a palindrome (63408899880436).

The spelling of 43406545320002 in words is "forty-three trillion, four hundred six billion, five hundred forty-five million, three hundred twenty thousand, two".