43716772216 has 64 divisors (see below), whose sum is σ = 91502913600. Its totient is φ = 19441809408.

The previous prime is 43716772213. The next prime is 43716772247. The reversal of 43716772216 is 61227761734.

It is a super-2 number, since 2×43716772216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43716772213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502640 + ... + 1531456.

It is an arithmetic number, because the mean of its divisors is an integer number (1429733025).

Almost surely, 2^43716772216 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 43716772216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45751456800).

43716772216 is an abundant number, since it is smaller than the sum of its proper divisors (47786141384).

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

43716772216 is a wasteful number, since it uses less digits than its factorization.

43716772216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29368 (or 29364 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The spelling of 43716772216 in words is "forty-three billion, seven hundred sixteen million, seven hundred seventy-two thousand, two hundred sixteen".