2141243544000 has 448 divisors, whose sum is σ = 7720776340992. Its totient is φ = 518576128000.

The previous prime is 2141243543987. The next prime is 2141243544001. The reversal of 2141243544000 is 4453421412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141243544001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313364584 + ... + 313371416.

Almost surely, 2^{2141243544000} is an apocalyptic number.

2141243544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141243544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3860388170496).

2141243544000 is an abundant number, since it is smaller than the sum of its proper divisors (5579532796992).

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

2141243544000 is a wasteful number, since it uses less digits than its factorization.

2141243544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061 (or 8041 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2141243544000 its reverse (4453421412), we get a palindrome (2145696965412).

The spelling of 2141243544000 in words is "two trillion, one hundred forty-one billion, two hundred forty-three million, five hundred forty-four thousand".