42201660 has 48 divisors (see below), whose sum is σ = 124387200. Its totient is φ = 10661184.

The previous prime is 42201647. The next prime is 42201661. The reversal of 42201660 is 6610224.

It is a happy number.

42201660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17370 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (2591400).

Almost surely, 2^42201660 is an apocalyptic number.

It is an amenable number.

42201660 is an abundant number, since it is smaller than the sum of its proper divisors (82185540).

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

42201660 is a wasteful number, since it uses less digits than its factorization.

42201660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37050 (or 37048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42201660 is about 6496.2804742406. The cubic root of 42201660 is about 348.1581062518.

Adding to 42201660 its reverse (6610224), we get a palindrome (48811884).

The spelling of 42201660 in words is "forty-two million, two hundred one thousand, six hundred sixty".