389745610272 has 54 divisors (see below), whose sum is σ = 1108369208583. Its totient is φ = 129911671872.

The previous prime is 389745610211. The next prime is 389745610279. The reversal of 389745610272 is 272016547983.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

389745610272 is a `hidden beast` number, since 3 + 8 + 9 + 7 + 4 + 561 + 0 + 2 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194872805136 + 194872805136 = 441444^2 + 441444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=441444.

It is not an unprimeable number, because it can be changed into a prime (389745610279) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10576263 + ... + 10613049.

It is a 1-persistent number, because it is pandigital, but 2⋅389745610272 = 779491220544 is not.

Almost surely, 2^389745610272 is an apocalyptic number.

389745610272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389745610272 is an abundant number, since it is smaller than the sum of its proper divisors (718623598311).

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

389745610272 is an frugal number, since it uses more digits than its factorization.

389745610272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73590 (or 36792 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 389745610272 in words is "three hundred eighty-nine billion, seven hundred forty-five million, six hundred ten thousand, two hundred seventy-two".