4543220256 has 48 divisors (see below), whose sum is σ = 11943142848. Its totient is φ = 1512224000.

The previous prime is 4543220251. The next prime is 4543220263. The reversal of 4543220256 is 6520223454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4543220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33541 + ... + 101051.

It is an arithmetic number, because the mean of its divisors is an integer number (248815476).

Almost surely, 2^4543220256 is an apocalyptic number.

It is an amenable number.

4543220256 is an abundant number, since it is smaller than the sum of its proper divisors (7399922592).

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

4543220256 is a wasteful number, since it uses less digits than its factorization.

4543220256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68225 (or 68217 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 4543220256 is about 67403.4142755395. The cubic root of 4543220256 is about 1656.2323532170.

The spelling of 4543220256 in words is "four billion, five hundred forty-three million, two hundred twenty thousand, two hundred fifty-six".