42062043645 has 24 divisors (see below), whose sum is σ = 74283160536. Its totient is φ = 22009822848.

The previous prime is 42062043631. The next prime is 42062043703. The reversal of 42062043645 is 54634026024.

42062043645 is a `hidden beast` number, since 4 + 2 + 0 + 6 + 2 + 0 + 4 + 3 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15484566969 + 26577476676 = 124437^2 + 163026^2 .

It is not a de Polignac number, because 42062043645 - 2¹⁰ = 42062042621 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8815654 + ... + 8820423.

It is an arithmetic number, because the mean of its divisors is an integer number (3095131689).

Almost surely, 2^42062043645 is an apocalyptic number.

42062043645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42062043645 is a deficient number, since it is larger than the sum of its proper divisors (32221116891).

42062043645 is a wasteful number, since it uses less digits than its factorization.

42062043645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636141 (or 17636138 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 42062043645 its reverse (54634026024), we get a palindrome (96696069669).

The spelling of 42062043645 in words is "forty-two billion, sixty-two million, forty-three thousand, six hundred forty-five".