42216650 has 24 divisors (see below), whose sum is σ = 89741280. Its totient is φ = 14474160.

The previous prime is 42216649. The next prime is 42216659. The reversal of 42216650 is 5661224.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42216659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59960 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (3739220).

Almost surely, 2^42216650 is an apocalyptic number.

42216650 is an abundant number, since it is smaller than the sum of its proper divisors (47524630).

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

42216650 is a wasteful number, since it uses less digits than its factorization.

42216650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120638 (or 120633 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42216650 is about 6497.4341089387. The cubic root of 42216650 is about 348.1993232104.

Adding to 42216650 its reverse (5661224), we get a palindrome (47877874).

The spelling of 42216650 in words is "forty-two million, two hundred sixteen thousand, six hundred fifty".