42000010685 has 8 divisors (see below), whose sum is σ = 50412883680. Its totient is φ = 33591427984.

The previous prime is 42000010669. The next prime is 42000010687. The reversal of 42000010685 is 58601000024.

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

It is a cyclic number.

It is not a de Polignac number, because 42000010685 - 2⁴ = 42000010669 is a prime.

It is a super-2 number, since 2×42000010685² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000010687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050995 + ... + 1090224.

It is an arithmetic number, because the mean of its divisors is an integer number (6301610460).

Almost surely, 2^42000010685 is an apocalyptic number.

It is an amenable number.

42000010685 is a deficient number, since it is larger than the sum of its proper divisors (8412872995).

42000010685 is a wasteful number, since it uses less digits than its factorization.

42000010685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145147.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 42000010685 in words is "forty-two billion, ten thousand, six hundred eighty-five".