389593821399552 has 2400 divisors, whose sum is σ = 1517950176399360. Its totient is φ = 96629129625600.

The previous prime is 389593821399547. The next prime is 389593821399569. The reversal of 389593821399552 is 255993128395983.

It is a happy number.

389593821399552 is a `hidden beast` number, since 3 + 8 + 9 + 5 + 9 + 3 + 8 + 21 + 39 + 9 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 242435482333 + ... + 242435483939.

Almost surely, 2^{389593821399552} is an apocalyptic number.

389593821399552 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 389593821399552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758975088199680).

389593821399552 is an abundant number, since it is smaller than the sum of its proper divisors (1128356354999808).

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

389593821399552 is a wasteful number, since it uses less digits than its factorization.

389593821399552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1740 counting only the distinct ones).

The product of its digits is 5668704000, while the sum is 81.

The spelling of 389593821399552 in words is "three hundred eighty-nine trillion, five hundred ninety-three billion, eight hundred twenty-one million, three hundred ninety-nine thousand, five hundred fifty-two".