43220104400 has 120 divisors (see below), whose sum is σ = 114279721344. Its totient is φ = 15577139200.

The previous prime is 43220104381. The next prime is 43220104451. The reversal of 43220104400 is 440102234.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453737 + ... + 540663.

Almost surely, 2^43220104400 is an apocalyptic number.

43220104400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43220104400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57139860672).

43220104400 is an abundant number, since it is smaller than the sum of its proper divisors (71059616944).

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

43220104400 is a wasteful number, since it uses less digits than its factorization.

43220104400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87069 (or 87058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 43220104400 its reverse (440102234), we get a palindrome (43660206634).

The spelling of 43220104400 in words is "forty-three billion, two hundred twenty million, one hundred four thousand, four hundred".