42655216 has 20 divisors (see below), whose sum is σ = 82753632. Its totient is φ = 21299456.

The previous prime is 42655213. The next prime is 42655219. The reversal of 42655216 is 61255624.

It is an interprime number because it is at equal distance from previous prime (42655213) and next prime (42655219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16440 + ... + 18856.

Almost surely, 2^42655216 is an apocalyptic number.

It is an amenable number.

42655216 is a deficient number, since it is larger than the sum of its proper divisors (40098416).

42655216 is a wasteful number, since it uses less digits than its factorization.

42655216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3522 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 42655216 is about 6531.0960795260. The cubic root of 42655216 is about 349.4009234767.

The spelling of 42655216 in words is "forty-two million, six hundred fifty-five thousand, two hundred sixteen".