42200140 has 24 divisors (see below), whose sum is σ = 93285360. Its totient is φ = 15991488.

The previous prime is 42200131. The next prime is 42200143. The reversal of 42200140 is 4100224.

It is a self number, because there is not a number n which added to its sum of digits gives 42200140.

It is not an unprimeable number, because it can be changed into a prime (42200143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55147 + ... + 55906.

It is an arithmetic number, because the mean of its divisors is an integer number (3886890).

Almost surely, 2^42200140 is an apocalyptic number.

It is an amenable number.

42200140 is an abundant number, since it is smaller than the sum of its proper divisors (51085220).

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

42200140 is a wasteful number, since it uses less digits than its factorization.

42200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111081 (or 111079 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42200140 is about 6496.1634831645. The cubic root of 42200140 is about 348.1539262687.

Adding to 42200140 its reverse (4100224), we get a palindrome (46300364).

The spelling of 42200140 in words is "forty-two million, two hundred thousand, one hundred forty".