384989868480 has 448 divisors, whose sum is σ = 1421625434112. Its totient is φ = 86451425280.

The previous prime is 384989868469. The next prime is 384989868493. The reversal of 384989868480 is 84868989483.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

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, 210261165 + ... + 210262995.

Almost surely, 2^384989868480 is an apocalyptic number.

384989868480 is a gapful number since it is divisible by the number (30) 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 384989868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710812717056).

384989868480 is an abundant number, since it is smaller than the sum of its proper divisors (1036635565632).

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

384989868480 is a wasteful number, since it uses less digits than its factorization.

384989868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 75.

The spelling of 384989868480 in words is "three hundred eighty-four billion, nine hundred eighty-nine million, eight hundred sixty-eight thousand, four hundred eighty".