42080218 has 16 divisors (see below), whose sum is σ = 65479680. Its totient is φ = 20257776.

The previous prime is 42080197. The next prime is 42080257. The reversal of 42080218 is 81208024.

It is a junction number, because it is equal to n+sod(n) for n = 42080192 and 42080201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26071 + ... + 27637.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^42080218 is an apocalyptic number.

42080218 is a deficient number, since it is larger than the sum of its proper divisors (23399462).

42080218 is a wasteful number, since it uses less digits than its factorization.

42080218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 42080218 is about 6486.9266991388. The cubic root of 42080218 is about 347.8238252584.

The spelling of 42080218 in words is "forty-two million, eighty thousand, two hundred eighteen".