389529351552 has 128 divisors (see below), whose sum is σ = 1128986265600. Its totient is φ = 118014474240.

The previous prime is 389529351493. The next prime is 389529351559. The reversal of 389529351552 is 255153925983.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 389529351492 and 389529351501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389529351559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36443553 + ... + 36454239.

It is an arithmetic number, because the mean of its divisors is an integer number (8820205200).

Almost surely, 2^389529351552 is an apocalyptic number.

389529351552 is a gapful number since it is divisible by the number (32) 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 389529351552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564493132800).

389529351552 is an abundant number, since it is smaller than the sum of its proper divisors (739456914048).

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

389529351552 is a wasteful number, since it uses less digits than its factorization.

389529351552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19344 (or 19332 counting only the distinct ones).

The product of its digits is 14580000, while the sum is 57.

The spelling of 389529351552 in words is "three hundred eighty-nine billion, five hundred twenty-nine million, three hundred fifty-one thousand, five hundred fifty-two".