389983426560 has 1728 divisors, whose sum is σ = 1730180088000. Its totient is φ = 81155063808.

The previous prime is 389983426543. The next prime is 389983426577. The reversal of 389983426560 is 65624389983.

389983426560 is a `hidden beast` number, since 3 + 89 + 9 + 83 + 426 + 56 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (389983426543) and next prime (389983426577).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5342238684 + ... + 5342238756.

It is an arithmetic number, because the mean of its divisors is an integer number (1001261625).

Almost surely, 2^389983426560 is an apocalyptic number.

389983426560 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 389983426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865090044000).

389983426560 is an abundant number, since it is smaller than the sum of its proper divisors (1340196661440).

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

389983426560 is a wasteful number, since it uses less digits than its factorization.

389983426560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 389983426560 in words is "three hundred eighty-nine billion, nine hundred eighty-three million, four hundred twenty-six thousand, five hundred sixty".