21443244104232 has 48 divisors (see below), whose sum is σ = 58075857627840. Its totient is φ = 7147698207648.

The previous prime is 21443244104213. The next prime is 21443244104263. The reversal of 21443244104232 is 23240144234412.

21443244104232 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 3 + 2 + 4 + 410 + 4 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10201393 + ... + 12122495.

It is an arithmetic number, because the mean of its divisors is an integer number (1209913700580).

Almost surely, 2^{21443244104232} is an apocalyptic number.

It is an amenable number.

21443244104232 is an abundant number, since it is smaller than the sum of its proper divisors (36632613523608).

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

21443244104232 is a wasteful number, since it uses less digits than its factorization.

21443244104232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076142 (or 2076135 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 21443244104232 its reverse (23240144234412), we get a palindrome (44683388338644).

The spelling of 21443244104232 in words is "twenty-one trillion, four hundred forty-three billion, two hundred forty-four million, one hundred four thousand, two hundred thirty-two".