2144012220240 has 160 divisors (see below), whose sum is σ = 7299322992000. Its totient is φ = 516272117760.

The previous prime is 2144012220199. The next prime is 2144012220253. The reversal of 2144012220240 is 420222104412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2144012220240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2331895 + ... + 3118614.

It is an arithmetic number, because the mean of its divisors is an integer number (45620768700).

Almost surely, 2^{2144012220240} is an apocalyptic number.

2144012220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144012220240 is an abundant number, since it is smaller than the sum of its proper divisors (5155310771760).

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

2144012220240 is a wasteful number, since it uses less digits than its factorization.

2144012220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450685 (or 5450679 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 2144012220240 its reverse (420222104412), we get a palindrome (2564234324652).

The spelling of 2144012220240 in words is "two trillion, one hundred forty-four billion, twelve million, two hundred twenty thousand, two hundred forty".