43124020442 has 16 divisors (see below), whose sum is σ = 66446890440. Its totient is φ = 20975277888.

The previous prime is 43124020441. The next prime is 43124020447. The reversal of 43124020442 is 24402042134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43110632161 + 13388281 = 207631^2 + 3659^2 .

It is a super-2 number, since 2×43124020442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43124020441) 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, 358784 + ... + 463652.

Almost surely, 2^43124020442 is an apocalyptic number.

43124020442 is a deficient number, since it is larger than the sum of its proper divisors (23322869998).

43124020442 is a wasteful number, since it uses less digits than its factorization.

43124020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110465.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 43124020442 its reverse (24402042134), we get a palindrome (67526062576).

The spelling of 43124020442 in words is "forty-three billion, one hundred twenty-four million, twenty thousand, four hundred forty-two".