21433441200032 has 48 divisors (see below), whose sum is σ = 43046405284680. Its totient is φ = 10501520719872.

The previous prime is 21433441200029. The next prime is 21433441200043. The reversal of 21433441200032 is 23000214433412.

It can be written as a sum of positive squares in 4 ways, for example, as 19082604036496 + 2350837163536 = 4368364^2 + 1533244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21433441199968 and 21433441200004.

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 7 ways as a sum of consecutive naturals, for example, 6438593 + ... + 9182720.

Almost surely, 2^{21433441200032} is an apocalyptic number.

It is an amenable number.

21433441200032 is an abundant number, since it is smaller than the sum of its proper divisors (21612964084648).

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

21433441200032 is a wasteful number, since it uses less digits than its factorization.

21433441200032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15622185 (or 15622177 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21433441200032 its reverse (23000214433412), we get a palindrome (44433655633444).

The spelling of 21433441200032 in words is "twenty-one trillion, four hundred thirty-three billion, four hundred forty-one million, two hundred thousand, thirty-two".