64224442424 has 16 divisors (see below), whose sum is σ = 120692666520. Its totient is φ = 32039731360.

The previous prime is 64224442423. The next prime is 64224442441. The reversal of 64224442424 is 42424442246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224442423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9057467 + ... + 9064554.

Almost surely, 2^64224442424 is an apocalyptic number.

It is an amenable number.

64224442424 is a deficient number, since it is larger than the sum of its proper divisors (56468224096).

64224442424 is a wasteful number, since it uses less digits than its factorization.

64224442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122470 (or 18122466 counting only the distinct ones).

The product of its digits is 393216, while the sum is 38.

The spelling of 64224442424 in words is "sixty-four billion, two hundred twenty-four million, four hundred forty-two thousand, four hundred twenty-four".