43111664340 has 48 divisors (see below), whose sum is σ = 122412850560. Its totient is φ = 11334520960.

The previous prime is 43111664317. The next prime is 43111664341. The reversal of 43111664340 is 4346611134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43111664341) by changing a digit.

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, 5055795 + ... + 5064314.

It is an arithmetic number, because the mean of its divisors is an integer number (2550267720).

Almost surely, 2^43111664340 is an apocalyptic number.

It is an amenable number.

43111664340 is an abundant number, since it is smaller than the sum of its proper divisors (79301186220).

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

43111664340 is a wasteful number, since it uses less digits than its factorization.

43111664340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120192 (or 10120190 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 43111664340 in words is "forty-three billion, one hundred eleven million, six hundred sixty-four thousand, three hundred forty".