389500843947600 has 1440 divisors, whose sum is σ = 1612550801571840. Its totient is φ = 78072357888000.

The previous prime is 389500843947599. The next prime is 389500843947601. The reversal of 389500843947600 is 6749348005983.

It is an interprime number because it is at equal distance from previous prime (389500843947599) and next prime (389500843947601).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389500843947601) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 135290322961 + ... + 135290325839.

It is an arithmetic number, because the mean of its divisors is an integer number (1119826945536).

Almost surely, 2^{389500843947600} is an apocalyptic number.

389500843947600 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 389500843947600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806275400785920).

389500843947600 is an abundant number, since it is smaller than the sum of its proper divisors (1223049957624240).

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

389500843947600 is a wasteful number, since it uses less digits than its factorization.

389500843947600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 389500843947600 in words is "three hundred eighty-nine trillion, five hundred billion, eight hundred forty-three million, nine hundred forty-seven thousand, six hundred".