14446890581856 has 72 divisors (see below), whose sum is σ = 39643606076760. Its totient is φ = 4606254951936.

The previous prime is 14446890581789. The next prime is 14446890581861. The reversal of 14446890581856 is 65818509864441.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142187821 + ... + 142289388.

It is an arithmetic number, because the mean of its divisors is an integer number (550605639955).

Almost surely, 2^{14446890581856} is an apocalyptic number.

14446890581856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14446890581856 is an abundant number, since it is smaller than the sum of its proper divisors (25196715494904).

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

14446890581856 is a wasteful number, since it uses less digits than its factorization.

14446890581856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284477268 (or 284477237 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 69.

The spelling of 14446890581856 in words is "fourteen trillion, four hundred forty-six billion, eight hundred ninety million, five hundred eighty-one thousand, eight hundred fifty-six".