2144404548 has 288 divisors, whose sum is σ = 6835570560. Its totient is φ = 556830720.

The previous prime is 2144404547. The next prime is 2144404579. The reversal of 2144404548 is 8454044412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2144404547) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9364098 + ... + 9364326.

It is an arithmetic number, because the mean of its divisors is an integer number (23734620).

Almost surely, 2^2144404548 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 2144404548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3417785280).

2144404548 is an abundant number, since it is smaller than the sum of its proper divisors (4691166012).

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

2144404548 is a wasteful number, since it uses less digits than its factorization.

2144404548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

The square root of 2144404548 is about 46307.7158581591. The cubic root of 2144404548 is about 1289.5422424872.

The spelling of 2144404548 in words is "two billion, one hundred forty-four million, four hundred four thousand, five hundred forty-eight".