14449392721920 has 896 divisors, whose sum is σ = 53089412947200. Its totient is φ = 3324153692160.

The previous prime is 14449392721867. The next prime is 14449392721961. The reversal of 14449392721920 is 2912729394441.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4046313735 + ... + 4046317305.

It is an arithmetic number, because the mean of its divisors is an integer number (59251576950).

Almost surely, 2^{14449392721920} is an apocalyptic number.

14449392721920 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 14449392721920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26544706473600).

14449392721920 is an abundant number, since it is smaller than the sum of its proper divisors (38640020225280).

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

14449392721920 is a wasteful number, since it uses less digits than its factorization.

14449392721920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 14449392721920 in words is "fourteen trillion, four hundred forty-nine billion, three hundred ninety-two million, seven hundred twenty-one thousand, nine hundred twenty".