43338722016 has 24 divisors (see below), whose sum is σ = 113764145544. Its totient is φ = 14446240640.

The previous prime is 43338721967. The next prime is 43338722017. The reversal of 43338722016 is 61022783334.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43338722017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225722415 + ... + 225722606.

It is an arithmetic number, because the mean of its divisors is an integer number (4740172731).

Almost surely, 2^43338722016 is an apocalyptic number.

It is an amenable number.

43338722016 is an abundant number, since it is smaller than the sum of its proper divisors (70425423528).

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

43338722016 is a wasteful number, since it uses less digits than its factorization.

43338722016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451445034 (or 451445026 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 43338722016 in words is "forty-three billion, three hundred thirty-eight million, seven hundred twenty-two thousand, sixteen".