42680043 has 12 divisors (see below), whose sum is σ = 70456048. Its totient is φ = 24388560.

The previous prime is 42680041. The next prime is 42680093. The reversal of 42680043 is 34008624.

It is not a de Polignac number, because 42680043 - 2¹ = 42680041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42679989 and 42680016.

It is not an unprimeable number, because it can be changed into a prime (42680041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338668 + ... + 338793.

Almost surely, 2^42680043 is an apocalyptic number.

42680043 is a deficient number, since it is larger than the sum of its proper divisors (27776005).

42680043 is a wasteful number, since it uses less digits than its factorization.

42680043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677474 (or 677471 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42680043 is about 6532.9964794113. The cubic root of 42680043 is about 349.4686986525.

Adding to 42680043 its reverse (34008624), we get a palindrome (76688667).

The spelling of 42680043 in words is "forty-two million, six hundred eighty thousand, forty-three".