42000216 has 16 divisors (see below), whose sum is σ = 105000600. Its totient is φ = 14000064.

The previous prime is 42000199. The next prime is 42000247. The reversal of 42000216 is 61200024.

It is a junction number, because it is equal to n+sod(n) for n = 42000195 and 42000204.

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, 874981 + ... + 875028.

Almost surely, 2^42000216 is an apocalyptic number.

It is an amenable number.

42000216 is an abundant number, since it is smaller than the sum of its proper divisors (63000384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42000216 is a wasteful number, since it uses less digits than its factorization.

42000216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750018 (or 1750014 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42000216 is about 6480.7573631482. The cubic root of 42000216 is about 347.6032603779.

The spelling of 42000216 in words is "forty-two million, two hundred sixteen", and thus it is an aban number.