43409218412 has 36 divisors (see below), whose sum is σ = 92225830704. Its totient is φ = 17509597440.

The previous prime is 43409218339. The next prime is 43409218427. The reversal of 43409218412 is 21481290434.

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 11 ways as a sum of consecutive naturals, for example, 2674139 + ... + 2690322.

Almost surely, 2^43409218412 is an apocalyptic number.

It is an amenable number.

43409218412 is an abundant number, since it is smaller than the sum of its proper divisors (48816612292).

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

43409218412 is a wasteful number, since it uses less digits than its factorization.

43409218412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364506 (or 5364487 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 43409218412 in words is "forty-three billion, four hundred nine million, two hundred eighteen thousand, four hundred twelve".