43122431968 has 192 divisors, whose sum is σ = 108368064000. Its totient is φ = 16744734720.

The previous prime is 43122431941. The next prime is 43122431969. The reversal of 43122431968 is 86913422134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122431969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69664363 + ... + 69664981.

It is an arithmetic number, because the mean of its divisors is an integer number (564417000).

Almost surely, 2^43122431968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43122431968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54184032000).

43122431968 is an abundant number, since it is smaller than the sum of its proper divisors (65245632032).

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

43122431968 is a wasteful number, since it uses less digits than its factorization.

43122431968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1216 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The spelling of 43122431968 in words is "forty-three billion, one hundred twenty-two million, four hundred thirty-one thousand, nine hundred sixty-eight".