2144040202420 has 96 divisors (see below), whose sum is σ = 4749711886080. Its totient is φ = 810722442240.

The previous prime is 2144040202411. The next prime is 2144040202471. The reversal of 2144040202420 is 242020404412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488278425 + ... + 488282815.

It is an arithmetic number, because the mean of its divisors is an integer number (49476165480).

Almost surely, 2^{2144040202420} is an apocalyptic number.

2144040202420 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 2144040202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374855943040).

2144040202420 is an abundant number, since it is smaller than the sum of its proper divisors (2605671683660).

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

2144040202420 is a wasteful number, since it uses less digits than its factorization.

2144040202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6903 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2144040202420 its reverse (242020404412), we get a palindrome (2386060606832).

The spelling of 2144040202420 in words is "two trillion, one hundred forty-four billion, forty million, two hundred two thousand, four hundred twenty".