42404113636 has 12 divisors (see below), whose sum is σ = 74221536060. Its totient is φ = 21197960480.

The previous prime is 42404113597. The next prime is 42404113643. The reversal of 42404113636 is 63631140424.

It can be written as a sum of positive squares in 2 ways, for example, as 12211576036 + 30192537600 = 110506^2 + 173760^2 .

It is a super-2 number, since 2×42404113636² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1000735 + ... + 1042246.

It is an arithmetic number, because the mean of its divisors is an integer number (6185128005).

Almost surely, 2^42404113636 is an apocalyptic number.

It is an amenable number.

42404113636 is a deficient number, since it is larger than the sum of its proper divisors (31817422424).

42404113636 is a wasteful number, since it uses less digits than its factorization.

42404113636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048174 (or 2048172 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 42404113636 in words is "forty-two billion, four hundred four million, one hundred thirteen thousand, six hundred thirty-six".