43422421100 has 144 divisors (see below), whose sum is σ = 98693683200. Its totient is φ = 16570245120.

The previous prime is 43422421093. The next prime is 43422421117. The reversal of 43422421100 is 112422434.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30817196 + ... + 30818604.

It is an arithmetic number, because the mean of its divisors is an integer number (685372800).

Almost surely, 2^43422421100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43422421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49346841600).

43422421100 is an abundant number, since it is smaller than the sum of its proper divisors (55271262100).

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

43422421100 is a wasteful number, since it uses less digits than its factorization.

43422421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43422421100 its reverse (112422434), we get a palindrome (43534843534).

The spelling of 43422421100 in words is "forty-three billion, four hundred twenty-two million, four hundred twenty-one thousand, one hundred".