42404113634 has 8 divisors (see below), whose sum is σ = 65157540588. Its totient is φ = 20684933440.

The previous prime is 42404113597. The next prime is 42404113643. The reversal of 42404113634 is 43631140424.

It can be written as a sum of positive squares in 2 ways, for example, as 29120398609 + 13283715025 = 170647^2 + 115255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42404113634.

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, 258561587 + ... + 258561750.

Almost surely, 2^42404113634 is an apocalyptic number.

42404113634 is a deficient number, since it is larger than the sum of its proper divisors (22753426954).

42404113634 is a wasteful number, since it uses less digits than its factorization.

42404113634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517123380.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 42404113634 in words is "forty-two billion, four hundred four million, one hundred thirteen thousand, six hundred thirty-four".