14491812720 has 480 divisors, whose sum is σ = 58991224320. Its totient is φ = 2906695680.

The previous prime is 14491812719. The next prime is 14491812763. The reversal of 14491812720 is 2721819441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3749509 + ... + 3753371.

It is an arithmetic number, because the mean of its divisors is an integer number (122898384).

Almost surely, 2^14491812720 is an apocalyptic number.

14491812720 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 14491812720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29495612160).

14491812720 is an abundant number, since it is smaller than the sum of its proper divisors (44499411600).

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

14491812720 is a wasteful number, since it uses less digits than its factorization.

14491812720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 14491812720 in words is "fourteen billion, four hundred ninety-one million, eight hundred twelve thousand, seven hundred twenty".