4454544256 has 64 divisors (see below), whose sum is σ = 9408447360. Its totient is φ = 2097100800.

The previous prime is 4454544253. The next prime is 4454544271. The reversal of 4454544256 is 6524454544.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454544253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131646 + ... + 161986.

It is an arithmetic number, because the mean of its divisors is an integer number (147006990).

Almost surely, 2^4454544256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4454544256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704223680).

4454544256 is an abundant number, since it is smaller than the sum of its proper divisors (4953903104).

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

4454544256 is a wasteful number, since it uses less digits than its factorization.

4454544256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30423 (or 30411 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 43.

The square root of 4454544256 is about 66742.3722682974. The cubic root of 4454544256 is about 1645.3858545531.

The spelling of 4454544256 in words is "four billion, four hundred fifty-four million, five hundred forty-four thousand, two hundred fifty-six".