43430433312 has 48 divisors (see below), whose sum is σ = 130291301952. Its totient is φ = 12408695040.

The previous prime is 43430433271. The next prime is 43430433313. The reversal of 43430433312 is 21333403434.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 43430433312.

It is not an unprimeable number, because it can be changed into a prime (43430433313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32313639 + ... + 32314982.

It is an arithmetic number, because the mean of its divisors is an integer number (2714402124).

Almost surely, 2^43430433312 is an apocalyptic number.

43430433312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43430433312 is an abundant number, since it is smaller than the sum of its proper divisors (86860868640).

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

43430433312 is a wasteful number, since it uses less digits than its factorization.

43430433312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64628641 (or 64628633 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 43430433312 its reverse (21333403434), we get a palindrome (64763836746).

The spelling of 43430433312 in words is "forty-three billion, four hundred thirty million, four hundred thirty-three thousand, three hundred twelve".