42201140 has 24 divisors (see below), whose sum is σ = 93836232. Its totient is φ = 15887360.

The previous prime is 42201139. The next prime is 42201151. The reversal of 42201140 is 4110224.

It can be written as a sum of positive squares in 4 ways, for example, as 8514724 + 33686416 = 2918^2 + 5804^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61721 + ... + 62400.

It is an arithmetic number, because the mean of its divisors is an integer number (3909843).

Almost surely, 2^42201140 is an apocalyptic number.

It is an amenable number.

42201140 is an abundant number, since it is smaller than the sum of its proper divisors (51635092).

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

42201140 is a wasteful number, since it uses less digits than its factorization.

42201140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124147 (or 124145 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42201140 is about 6496.2404512148. The cubic root of 42201140 is about 348.1566762689.

Adding to 42201140 its reverse (4110224), we get a palindrome (46311364).

The spelling of 42201140 in words is "forty-two million, two hundred one thousand, one hundred forty".