43420346432 has 28 divisors (see below), whose sum is σ = 87200360016. Its totient is φ = 21448602240.

The previous prime is 43420346401. The next prime is 43420346503. The reversal of 43420346432 is 23464302434.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43420346392 and 43420346401.

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 3 ways as a sum of consecutive naturals, for example, 4081694 + ... + 4092317.

It is an arithmetic number, because the mean of its divisors is an integer number (3114298572).

Almost surely, 2^43420346432 is an apocalyptic number.

It is an amenable number.

43420346432 is an abundant number, since it is smaller than the sum of its proper divisors (43780013584).

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

43420346432 is an equidigital number, since it uses as much as digits as its factorization.

43420346432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174106 (or 8174096 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 43420346432 its reverse (23464302434), we get a palindrome (66884648866).

The spelling of 43420346432 in words is "forty-three billion, four hundred twenty million, three hundred forty-six thousand, four hundred thirty-two".