42216038 has 8 divisors (see below), whose sum is σ = 65035632. Its totient is φ = 20537496.

The previous prime is 42216029. The next prime is 42216061. The reversal of 42216038 is 83061224.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42215998 and 42216016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285170 + ... + 285317.

It is an arithmetic number, because the mean of its divisors is an integer number (8129454).

Almost surely, 2^42216038 is an apocalyptic number.

42216038 is a deficient number, since it is larger than the sum of its proper divisors (22819594).

42216038 is a wasteful number, since it uses less digits than its factorization.

42216038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570526.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 42216038 is about 6497.3870132539. The cubic root of 42216038 is about 348.1976406277.

The spelling of 42216038 in words is "forty-two million, two hundred sixteen thousand, thirty-eight".