42080212 has 12 divisors (see below), whose sum is σ = 77516320. Its totient is φ = 19932696.

The previous prime is 42080197. The next prime is 42080257. The reversal of 42080212 is 21208024.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 42080212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276768 + ... + 276919.

Almost surely, 2^42080212 is an apocalyptic number.

It is an amenable number.

42080212 is a deficient number, since it is larger than the sum of its proper divisors (35436108).

42080212 is a wasteful number, since it uses less digits than its factorization.

42080212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553710 (or 553708 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 42080212 is about 6486.9262366702. The cubic root of 42080212 is about 347.8238087269.

Adding to 42080212 its reverse (21208024), we get a palindrome (63288236).

The spelling of 42080212 in words is "forty-two million, eighty thousand, two hundred twelve".