443044012047642 has 80 divisors (see below), whose sum is σ = 993551400483840. Its totient is φ = 147561651774432.

The previous prime is 443044012047629. The next prime is 443044012047673. The reversal of 443044012047642 is 246740210440344.

443044012047642 is a `hidden beast` number, since 4 + 4 + 3 + 0 + 440 + 120 + 47 + 6 + 42 = 666.

It is a super-2 number, since 2×443044012047642² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5292121168 + ... + 5292204884.

It is an arithmetic number, because the mean of its divisors is an integer number (12419392506048).

Almost surely, 2^{443044012047642} is an apocalyptic number.

443044012047642 is an abundant number, since it is smaller than the sum of its proper divisors (550507388436198).

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

443044012047642 is a wasteful number, since it uses less digits than its factorization.

443044012047642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109817 (or 109808 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 45.

Adding to 443044012047642 its reverse (246740210440344), we get a palindrome (689784222487986).

The spelling of 443044012047642 in words is "four hundred forty-three trillion, forty-four billion, twelve million, forty-seven thousand, six hundred forty-two".