2144401022420 has 24 divisors (see below), whose sum is σ = 4528399932000. Its totient is φ = 852968449952.

The previous prime is 2144401022411. The next prime is 2144401022437. The reversal of 2144401022420 is 242201044412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144401022420.

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, 299493770 + ... + 299500929.

It is an arithmetic number, because the mean of its divisors is an integer number (188683330500).

Almost surely, 2^{2144401022420} is an apocalyptic number.

2144401022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144401022420 is an abundant number, since it is smaller than the sum of its proper divisors (2383998909580).

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

2144401022420 is a wasteful number, since it uses less digits than its factorization.

2144401022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598994887 (or 598994885 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 2144401022420 its reverse (242201044412), we get a palindrome (2386602066832).

The spelling of 2144401022420 in words is "two trillion, one hundred forty-four billion, four hundred one million, twenty-two thousand, four hundred twenty".