43421104320 has 448 divisors, whose sum is σ = 162616896000. Its totient is φ = 9701130240.

The previous prime is 43421104247. The next prime is 43421104327. The reversal of 43421104320 is 2340112434.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (43421104327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7420756 + ... + 7426604.

Almost surely, 2^43421104320 is an apocalyptic number.

43421104320 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 43421104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81308448000).

43421104320 is an abundant number, since it is smaller than the sum of its proper divisors (119195791680).

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

43421104320 is a wasteful number, since it uses less digits than its factorization.

43421104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5926 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43421104320 its reverse (2340112434), we get a palindrome (45761216754).

It can be divided in two parts, 43421 and 104320, that added together give a palindrome (147741).

The spelling of 43421104320 in words is "forty-three billion, four hundred twenty-one million, one hundred four thousand, three hundred twenty".