4278560544 has 144 divisors (see below), whose sum is σ = 13183121952. Its totient is φ = 1311012864.

The previous prime is 4278560537. The next prime is 4278560549. The reversal of 4278560544 is 4450658724.

4278560544 is a `hidden beast` number, since 4 + 27 + 85 + 6 + 0 + 544 = 666.

4278560544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 4278560544.

It is not an unprimeable number, because it can be changed into a prime (4278560549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200367 + ... + 220689.

It is an arithmetic number, because the mean of its divisors is an integer number (91549458).

Almost surely, 2^4278560544 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 4278560544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6591560976).

4278560544 is an abundant number, since it is smaller than the sum of its proper divisors (8904561408).

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

4278560544 is a wasteful number, since it uses less digits than its factorization.

4278560544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20399 (or 20388 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 4278560544 is about 65410.7066465422. The cubic root of 4278560544 is about 1623.4262373294.

The spelling of 4278560544 in words is "four billion, two hundred seventy-eight million, five hundred sixty thousand, five hundred forty-four".