43997338244 has 6 divisors (see below), whose sum is σ = 76995341934. Its totient is φ = 21998669120.

The previous prime is 43997338243. The next prime is 43997338261. The reversal of 43997338244 is 44283379934.

It can be written as a sum of positive squares in only one way, i.e., 42820024900 + 1177313344 = 206930^2 + 34312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43997338244.

It is not an unprimeable number, because it can be changed into a prime (43997338241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499667277 + ... + 5499667284.

It is an arithmetic number, because the mean of its divisors is an integer number (12832556989).

Almost surely, 2^43997338244 is an apocalyptic number.

It is an amenable number.

43997338244 is a deficient number, since it is larger than the sum of its proper divisors (32998003690).

43997338244 is a wasteful number, since it uses less digits than its factorization.

43997338244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999334565 (or 10999334563 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 56.

The spelling of 43997338244 in words is "forty-three billion, nine hundred ninety-seven million, three hundred thirty-eight thousand, two hundred forty-four".