43443064272 has 20 divisors (see below), whose sum is σ = 112227916160. Its totient is φ = 14481021408.

The previous prime is 43443064243. The next prime is 43443064333. The reversal of 43443064272 is 27246034434.

It is a super-2 number, since 2×43443064272² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43443064272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452531872 + ... + 452531967.

It is an arithmetic number, because the mean of its divisors is an integer number (5611395808).

Almost surely, 2^43443064272 is an apocalyptic number.

It is an amenable number.

43443064272 is an abundant number, since it is smaller than the sum of its proper divisors (68784851888).

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

43443064272 is a wasteful number, since it uses less digits than its factorization.

43443064272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905063850 (or 905063844 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 39.

The spelling of 43443064272 in words is "forty-three billion, four hundred forty-three million, sixty-four thousand, two hundred seventy-two".