14685665280 has 384 divisors, whose sum is σ = 55212917760. Its totient is φ = 3285319680.

The previous prime is 14685665273. The next prime is 14685665303. The reversal of 14685665280 is 8256658641.

It is a tau number, because it is divible by the number of its divisors (384).

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, 4391289 + ... + 4394631.

It is an arithmetic number, because the mean of its divisors is an integer number (143783640).

Almost surely, 2^14685665280 is an apocalyptic number.

14685665280 is a gapful number since it is divisible by the number (10) 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 14685665280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27606458880).

14685665280 is an abundant number, since it is smaller than the sum of its proper divisors (40527252480).

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

14685665280 is a wasteful number, since it uses less digits than its factorization.

14685665280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 14685665280 in words is "fourteen billion, six hundred eighty-five million, six hundred sixty-five thousand, two hundred eighty".