14227641881728 has 64 divisors (see below), whose sum is σ = 31427769119040. Its totient is φ = 6361091712000.

The previous prime is 14227641881657. The next prime is 14227641881731. The reversal of 14227641881728 is 82718814672241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 82740828 + ... + 82912603.

It is an arithmetic number, because the mean of its divisors is an integer number (491058892485).

Almost surely, 2^{14227641881728} is an apocalyptic number.

It is an amenable number.

14227641881728 is an abundant number, since it is smaller than the sum of its proper divisors (17200127237312).

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

14227641881728 is a wasteful number, since it uses less digits than its factorization.

14227641881728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165653517 (or 165653505 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 61.

The spelling of 14227641881728 in words is "fourteen trillion, two hundred twenty-seven billion, six hundred forty-one million, eight hundred eighty-one thousand, seven hundred twenty-eight".