2144442000424 has 8 divisors (see below), whose sum is σ = 4020828750810. Its totient is φ = 1072221000208.

The previous prime is 2144442000401. The next prime is 2144442000443. The reversal of 2144442000424 is 4240002444412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2144438072100 + 3928324 = 1464390^2 + 1982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134027625019 + ... + 134027625034.

Almost surely, 2^{2144442000424} is an apocalyptic number.

It is an amenable number.

2144442000424 is a deficient number, since it is larger than the sum of its proper divisors (1876386750386).

2144442000424 is a wasteful number, since it uses less digits than its factorization.

2144442000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268055250059 (or 268055250055 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 2144442000424 its reverse (4240002444412), we get a palindrome (6384444444836).

The spelling of 2144442000424 in words is "two trillion, one hundred forty-four billion, four hundred forty-two million, four hundred twenty-four", and thus it is an aban number.