43244211442 has 16 divisors (see below), whose sum is σ = 65415193272. Its totient is φ = 21439918080.

The previous prime is 43244211433. The next prime is 43244211449. The reversal of 43244211442 is 24411244234.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23761914201 + 19482297241 = 154149^2 + 139579^2 .

It is not an unprimeable number, because it can be changed into a prime (43244211449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80223 + ... + 304834.

Almost surely, 2^43244211442 is an apocalyptic number.

43244211442 is a deficient number, since it is larger than the sum of its proper divisors (22170981830).

43244211442 is a wasteful number, since it uses less digits than its factorization.

43244211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385533.

The product of its digits is 24576, while the sum is 31.

Adding to 43244211442 its reverse (24411244234), we get a palindrome (67655455676).

The spelling of 43244211442 in words is "forty-three billion, two hundred forty-four million, two hundred eleven thousand, four hundred forty-two".