43211432032 has 48 divisors (see below), whose sum is σ = 87180287040. Its totient is φ = 21071901312.

The previous prime is 43211432021. The next prime is 43211432051. The reversal of 43211432032 is 23023411234.

It is a junction number, because it is equal to n+sod(n) for n = 43211431988 and 43211432006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916819 + ... + 962797.

It is an arithmetic number, because the mean of its divisors is an integer number (1816255980).

Almost surely, 2^43211432032 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 43211432032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43590143520).

43211432032 is an abundant number, since it is smaller than the sum of its proper divisors (43968855008).

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

43211432032 is a wasteful number, since it uses less digits than its factorization.

43211432032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46715 (or 46707 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43211432032 its reverse (23023411234), we get a palindrome (66234843266).

The spelling of 43211432032 in words is "forty-three billion, two hundred eleven million, four hundred thirty-two thousand, thirty-two".