14891544879456 has 192 divisors, whose sum is σ = 45292695630336. Its totient is φ = 4195879833600.

The previous prime is 14891544879389. The next prime is 14891544879467. The reversal of 14891544879456 is 65497844519841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481272946 + ... + 481303886.

It is an arithmetic number, because the mean of its divisors is an integer number (235899456408).

Almost surely, 2^{14891544879456} is an apocalyptic number.

14891544879456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14891544879456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22646347815168).

14891544879456 is an abundant number, since it is smaller than the sum of its proper divisors (30401150750880).

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

14891544879456 is a wasteful number, since it uses less digits than its factorization.

14891544879456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40845 (or 40837 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 75.

The spelling of 14891544879456 in words is "fourteen trillion, eight hundred ninety-one billion, five hundred forty-four million, eight hundred seventy-nine thousand, four hundred fifty-six".