43500432412 has 6 divisors (see below), whose sum is σ = 76125756728. Its totient is φ = 21750216204.

The previous prime is 43500432407. The next prime is 43500432413. The reversal of 43500432412 is 21423400534.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43500432413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5437554048 + ... + 5437554055.

Almost surely, 2^43500432412 is an apocalyptic number.

It is an amenable number.

43500432412 is a deficient number, since it is larger than the sum of its proper divisors (32625324316).

43500432412 is a wasteful number, since it uses less digits than its factorization.

43500432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875108107 (or 10875108105 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 43500432412 its reverse (21423400534), we get a palindrome (64923832946).

The spelling of 43500432412 in words is "forty-three billion, five hundred million, four hundred thirty-two thousand, four hundred twelve".