214440021403421 has 8 divisors (see below), whose sum is σ = 233935371271488. Its totient is φ = 194944805280000.

The previous prime is 214440021403403. The next prime is 214440021403441. The reversal of 214440021403421 is 124304120044412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214440021403421 - 2⁶ = 214440021403357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214440021403441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30068945 + ... + 36510566.

It is an arithmetic number, because the mean of its divisors is an integer number (29241921408936).

Almost surely, 2^{214440021403421} is an apocalyptic number.

It is an amenable number.

214440021403421 is a deficient number, since it is larger than the sum of its proper divisors (19495349868067).

214440021403421 is a wasteful number, since it uses less digits than its factorization.

214440021403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66872323.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 214440021403421 its reverse (124304120044412), we get a palindrome (338744141447833).

The spelling of 214440021403421 in words is "two hundred fourteen trillion, four hundred forty billion, twenty-one million, four hundred three thousand, four hundred twenty-one".