43240221200 has 180 divisors, whose sum is σ = 115804713024. Its totient is φ = 15501024000.

The previous prime is 43240221179. The next prime is 43240221217. The reversal of 43240221200 is 212204234.

It is a super-3 number, since 3×43240221200³ (a number of 33 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3430109 + ... + 3442691.

Almost surely, 2^43240221200 is an apocalyptic number.

43240221200 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 43240221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57902356512).

43240221200 is an abundant number, since it is smaller than the sum of its proper divisors (72564491824).

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

43240221200 is a wasteful number, since it uses less digits than its factorization.

43240221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694 (or 12672 counting only the distinct ones).

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

Adding to 43240221200 its reverse (212204234), we get a palindrome (43452425434).

The spelling of 43240221200 in words is "forty-three billion, two hundred forty million, two hundred twenty-one thousand, two hundred".