4338220728 has 16 divisors (see below), whose sum is σ = 10845551880. Its totient is φ = 1446073568.

The previous prime is 4338220727. The next prime is 4338220787. The reversal of 4338220728 is 8270228334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338220727) 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, 90379575 + ... + 90379622.

Almost surely, 2^4338220728 is an apocalyptic number.

It is an amenable number.

4338220728 is an abundant number, since it is smaller than the sum of its proper divisors (6507331152).

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

4338220728 is a wasteful number, since it uses less digits than its factorization.

4338220728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180759206 (or 180759202 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 4338220728 is about 65865.1708264694. The cubic root of 4338220728 is about 1630.9371112812.

The spelling of 4338220728 in words is "four billion, three hundred thirty-eight million, two hundred twenty thousand, seven hundred twenty-eight".