14278361660454 has 16 divisors (see below), whose sum is σ = 28563153620400. Its totient is φ = 4758382170240.

The previous prime is 14278361660417. The next prime is 14278361660467. The reversal of 14278361660454 is 45406616387241.

It is a super-2 number, since 2×14278361660454² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14278361660394 and 14278361660403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267900279 + ... + 267953570.

It is an arithmetic number, because the mean of its divisors is an integer number (1785197101275).

Almost surely, 2^{14278361660454} is an apocalyptic number.

14278361660454 is an abundant number, since it is smaller than the sum of its proper divisors (14284791959946).

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

14278361660454 is a wasteful number, since it uses less digits than its factorization.

14278361660454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535858295.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 14278361660454 in words is "fourteen trillion, two hundred seventy-eight billion, three hundred sixty-one million, six hundred sixty thousand, four hundred fifty-four".