4443778278144 has 432 divisors, whose sum is σ = 13444303646592. Its totient is φ = 1463810310144.

The previous prime is 4443778278143. The next prime is 4443778278211. The reversal of 4443778278144 is 4418728773444.

4443778278144 is a `hidden beast` number, since 4 + 4 + 437 + 7 + 82 + 7 + 81 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is not an unprimeable number, because it can be changed into a prime (4443778278143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3114069559 + ... + 3114070985.

It is an arithmetic number, because the mean of its divisors is an integer number (31121073256).

Almost surely, 2^{4443778278144} 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 4443778278144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6722151823296).

4443778278144 is an abundant number, since it is smaller than the sum of its proper divisors (9000525368448).

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

4443778278144 is a wasteful number, since it uses less digits than its factorization.

4443778278144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 1988 counting only the distinct ones).

The product of its digits is 134873088, while the sum is 63.

The spelling of 4443778278144 in words is "four trillion, four hundred forty-three billion, seven hundred seventy-eight million, two hundred seventy-eight thousand, one hundred forty-four".