389635660068480 has 384 divisors, whose sum is σ = 1544103102297600. Its totient is φ = 88686943027200.

The previous prime is 389635660068449. The next prime is 389635660068481. The reversal of 389635660068480 is 84860066536983.

389635660068480 is a `hidden beast` number, since 3 + 8 + 9 + 6 + 3 + 5 + 6 + 600 + 6 + 8 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 389635660068399 and 389635660068408.

It is not an unprimeable number, because it can be changed into a prime (389635660068481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10580221 + ... + 29853180.

It is an arithmetic number, because the mean of its divisors is an integer number (4021101828900).

Almost surely, 2^{389635660068480} is an apocalyptic number.

389635660068480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389635660068480 is an abundant number, since it is smaller than the sum of its proper divisors (1154467442229120).

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

389635660068480 is a wasteful number, since it uses less digits than its factorization.

389635660068480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433672 (or 40433657 counting only the distinct ones).

The product of its (nonzero) digits is 1074954240, while the sum is 72.

The spelling of 389635660068480 in words is "three hundred eighty-nine trillion, six hundred thirty-five billion, six hundred sixty million, sixty-eight thousand, four hundred eighty".