43421022032 has 60 divisors (see below), whose sum is σ = 86594574780. Its totient is φ = 21091719168.

The previous prime is 43421022019. The next prime is 43421022037. The reversal of 43421022032 is 23022012434.

It can be written as a sum of positive squares in 6 ways, for example, as 33329614096 + 10091407936 = 182564^2 + 100456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43421021989 and 43421022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43421022037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21399194 + ... + 21401222.

It is an arithmetic number, because the mean of its divisors is an integer number (1443242913).

Almost surely, 2^43421022032 is an apocalyptic number.

It is an amenable number.

43421022032 is a deficient number, since it is larger than the sum of its proper divisors (43173552748).

43421022032 is a wasteful number, since it uses less digits than its factorization.

43421022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43421022032 its reverse (23022012434), we get a palindrome (66443034466).

The spelling of 43421022032 in words is "forty-three billion, four hundred twenty-one million, twenty-two thousand, thirty-two".