14451221320424 has 16 divisors (see below), whose sum is σ = 30966902829600. Its totient is φ = 6193380565872.

The previous prime is 14451221320381. The next prime is 14451221320429. The reversal of 14451221320424 is 42402312215441.

It is a super-3 number, since 3×14451221320424³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14451221320429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129028761734 + ... + 129028761845.

It is an arithmetic number, because the mean of its divisors is an integer number (1935431426850).

Almost surely, 2^{14451221320424} is an apocalyptic number.

14451221320424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14451221320424 is an abundant number, since it is smaller than the sum of its proper divisors (16515681509176).

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

14451221320424 is a wasteful number, since it uses less digits than its factorization.

14451221320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258057523592 (or 258057523588 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 14451221320424 its reverse (42402312215441), we get a palindrome (56853533535865).

The spelling of 14451221320424 in words is "fourteen trillion, four hundred fifty-one billion, two hundred twenty-one million, three hundred twenty thousand, four hundred twenty-four".