14204144400021 has 16 divisors (see below), whose sum is σ = 21046466683200. Its totient is φ = 9467949192624.

The previous prime is 14204144399999. The next prime is 14204144400023. The reversal of 14204144400021 is 12000444140241.

It is a happy number.

14204144400021 is a `hidden beast` number, since 1 + 4 + 204 + 14 + 440 + 0 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 14204144400021 - 2³³ = 14195554465429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14204144400023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40946511 + ... + 41291948.

It is an arithmetic number, because the mean of its divisors is an integer number (1315404167700).

Almost surely, 2^{14204144400021} is an apocalyptic number.

It is an amenable number.

14204144400021 is a deficient number, since it is larger than the sum of its proper divisors (6842322283179).

14204144400021 is an equidigital number, since it uses as much as digits as its factorization.

14204144400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82244865 (or 82244859 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 14204144400021 its reverse (12000444140241), we get a palindrome (26204588540262).

The spelling of 14204144400021 in words is "fourteen trillion, two hundred four billion, one hundred forty-four million, four hundred thousand, twenty-one".