43216264 has 128 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 15611904.

The previous prime is 43216231. The next prime is 43216267. The reversal of 43216264 is 46261234.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (43216267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485532 + ... + 485620.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^43216264 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 43216264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

43216264 is an abundant number, since it is smaller than the sum of its proper divisors (65647736).

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

43216264 is a wasteful number, since it uses less digits than its factorization.

43216264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 163 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 43216264 is about 6573.9078180333. The cubic root of 43216264 is about 350.9261566020.

Adding to 43216264 its reverse (46261234), we get a palindrome (89477498).

It can be divided in two parts, 4321 and 6264, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 43216264 in words is "forty-three million, two hundred sixteen thousand, two hundred sixty-four".