43272340020 has 720 divisors, whose sum is σ = 179088053760. Its totient is φ = 8645543424.

The previous prime is 43272339997. The next prime is 43272340057. The reversal of 43272340020 is 2004327234.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 19605757 + ... + 19607963.

It is an arithmetic number, because the mean of its divisors is an integer number (248733408).

Almost surely, 2^43272340020 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 43272340020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89544026880).

43272340020 is an abundant number, since it is smaller than the sum of its proper divisors (135815713740).

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

43272340020 is a wasteful number, since it uses less digits than its factorization.

43272340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

Adding to 43272340020 its reverse (2004327234), we get a palindrome (45276667254).

The spelling of 43272340020 in words is "forty-three billion, two hundred seventy-two million, three hundred forty thousand, twenty".