389542011444 has 18 divisors (see below), whose sum is σ = 984675640130. Its totient is φ = 129847337136.

The previous prime is 389542011409. The next prime is 389542011479. The reversal of 389542011444 is 444110245983.

389542011444 is a `hidden beast` number, since 3 + 89 + 5 + 420 + 1 + 144 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (389542011409) and next prime (389542011479).

It can be written as a sum of positive squares in only one way, i.e., 224533822500 + 165008188944 = 473850^2 + 406212^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 389542011444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5410305679 + ... + 5410305750.

Almost surely, 2^389542011444 is an apocalyptic number.

It is an amenable number.

389542011444 is an abundant number, since it is smaller than the sum of its proper divisors (595133628686).

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

389542011444 is a wasteful number, since it uses less digits than its factorization.

389542011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820611439 (or 10820611434 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 389542011444 in words is "three hundred eighty-nine billion, five hundred forty-two million, eleven thousand, four hundred forty-four".