4456441728 has 96 divisors (see below), whose sum is σ = 13381514640. Its totient is φ = 1420886016.

The previous prime is 4456441699. The next prime is 4456441733. The reversal of 4456441728 is 8271446544.

4456441728 is a `hidden beast` number, since 44 + 564 + 41 + 7 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57601 + ... + 110592.

Almost surely, 2^4456441728 is an apocalyptic number.

4456441728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4456441728 is an abundant number, since it is smaller than the sum of its proper divisors (8925072912).

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

4456441728 is a wasteful number, since it uses less digits than its factorization.

4456441728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168236 (or 168221 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 4456441728 is about 66756.5856526530. The cubic root of 4456441728 is about 1645.6194460062.

The spelling of 4456441728 in words is "four billion, four hundred fifty-six million, four hundred forty-one thousand, seven hundred twenty-eight".