43220430442 has 16 divisors (see below), whose sum is σ = 74095402752. Its totient is φ = 18522232560.

The previous prime is 43220430431. The next prime is 43220430457. The reversal of 43220430442 is 24403402234.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43220430442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356428 + ... + 462040.

It is an arithmetic number, because the mean of its divisors is an integer number (4630962672).

Almost surely, 2^43220430442 is an apocalyptic number.

43220430442 is a deficient number, since it is larger than the sum of its proper divisors (30874972310).

43220430442 is a wasteful number, since it uses less digits than its factorization.

43220430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134853.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43220430442 its reverse (24403402234), we get a palindrome (67623832676).

The spelling of 43220430442 in words is "forty-three billion, two hundred twenty million, four hundred thirty thousand, four hundred forty-two".