2141243043444 has 144 divisors (see below), whose sum is σ = 5798890056960. Its totient is φ = 664541729280.

The previous prime is 2141243043427. The next prime is 2141243043449. The reversal of 2141243043444 is 4443403421412.

2141243043444 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 2 + 4 + 304 + 344 + 4 = 666.

It is a super-2 number, since 2×2141243043444² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2141243043399 and 2141243043408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141243043449) 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, 14831334 + ... + 14975010.

It is an arithmetic number, because the mean of its divisors is an integer number (40270069840).

Almost surely, 2^{2141243043444} 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 2141243043444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899445028480).

2141243043444 is an abundant number, since it is smaller than the sum of its proper divisors (3657647013516).

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

2141243043444 is a wasteful number, since it uses less digits than its factorization.

2141243043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144190 (or 144185 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 2141243043444 its reverse (4443403421412), we get a palindrome (6584646464856).

The spelling of 2141243043444 in words is "two trillion, one hundred forty-one billion, two hundred forty-three million, forty-three thousand, four hundred forty-four".