43344400442 has 32 divisors (see below), whose sum is σ = 78502417920. Its totient is φ = 17553997440.

The previous prime is 43344400417. The next prime is 43344400447. The reversal of 43344400442 is 24400444334.

It is a junction number, because it is equal to n+sod(n) for n = 43344400399 and 43344400408.

It is not an unprimeable number, because it can be changed into a prime (43344400447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116659 + ... + 1154822.

It is an arithmetic number, because the mean of its divisors is an integer number (2453200560).

Almost surely, 2^43344400442 is an apocalyptic number.

43344400442 is a deficient number, since it is larger than the sum of its proper divisors (35158017478).

43344400442 is a wasteful number, since it uses less digits than its factorization.

43344400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271566.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 43344400442 its reverse (24400444334), we get a palindrome (67744844776).

The spelling of 43344400442 in words is "forty-three billion, three hundred forty-four million, four hundred thousand, four hundred forty-two".