2144441151220 has 24 divisors (see below), whose sum is σ = 4503830915304. Its totient is φ = 857680365696.

The previous prime is 2144441151133. The next prime is 2144441151271. The reversal of 2144441151220 is 221511444412.

It can be written as a sum of positive squares in 4 ways, for example, as 70996668304 + 2073444482916 = 266452^2 + 1439946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5822799 + ... + 6180118.

It is an arithmetic number, because the mean of its divisors is an integer number (187659621471).

Almost surely, 2^{2144441151220} is an apocalyptic number.

2144441151220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144441151220 is an abundant number, since it is smaller than the sum of its proper divisors (2359389764084).

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

2144441151220 is a wasteful number, since it uses less digits than its factorization.

2144441151220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011859 (or 12011857 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 2144441151220 its reverse (221511444412), we get a palindrome (2365952595632).

The spelling of 2144441151220 in words is "two trillion, one hundred forty-four billion, four hundred forty-one million, one hundred fifty-one thousand, two hundred twenty".