42208032 has 24 divisors (see below), whose sum is σ = 110796336. Its totient is φ = 14069312.

The previous prime is 42208031. The next prime is 42208051. The reversal of 42208032 is 23080224.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (42208031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219738 + ... + 219929.

It is an arithmetic number, because the mean of its divisors is an integer number (4616514).

Almost surely, 2^42208032 is an apocalyptic number.

It is an amenable number.

42208032 is an abundant number, since it is smaller than the sum of its proper divisors (68588304).

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

42208032 is a wasteful number, since it uses less digits than its factorization.

42208032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439680 (or 439672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42208032 is about 6496.7708902192. The cubic root of 42208032 is about 348.1756280887.

Adding to 42208032 its reverse (23080224), we get a palindrome (65288256).

The spelling of 42208032 in words is "forty-two million, two hundred eight thousand, thirty-two".