43021224642 has 32 divisors (see below), whose sum is σ = 96153873984. Its totient is φ = 12718764800.

The previous prime is 43021224613. The next prime is 43021224643. The reversal of 43021224642 is 24642212034.

It is not an unprimeable number, because it can be changed into a prime (43021224643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7946523 + ... + 7951934.

It is an arithmetic number, because the mean of its divisors is an integer number (3004808562).

Almost surely, 2^43021224642 is an apocalyptic number.

43021224642 is an abundant number, since it is smaller than the sum of its proper divisors (53132649342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43021224642 is a wasteful number, since it uses less digits than its factorization.

43021224642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898514.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43021224642 its reverse (24642212034), we get a palindrome (67663436676).

The spelling of 43021224642 in words is "forty-three billion, twenty-one million, two hundred twenty-four thousand, six hundred forty-two".