21433440322232 has 16 divisors (see below), whose sum is σ = 40563286592760. Its totient is φ = 10616563897504.

The previous prime is 21433440322223. The next prime is 21433440322243. The reversal of 21433440322232 is 23222304433412.

It is a junction number, because it is equal to n+sod(n) for n = 21433440322192 and 21433440322201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12519532043 + ... + 12519533754.

Almost surely, 2^{21433440322232} is an apocalyptic number.

It is an amenable number.

21433440322232 is a deficient number, since it is larger than the sum of its proper divisors (19129846270528).

21433440322232 is a wasteful number, since it uses less digits than its factorization.

21433440322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25039065910 (or 25039065906 counting only the distinct ones).

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

Adding to 21433440322232 its reverse (23222304433412), we get a palindrome (44655744755644).

The spelling of 21433440322232 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred forty million, three hundred twenty-two thousand, two hundred thirty-two".