42110140 has 12 divisors (see below), whose sum is σ = 88431336. Its totient is φ = 16844048.

The previous prime is 42110119. The next prime is 42110141. The reversal of 42110140 is 4101124.

It is a self number, because there is not a number n which added to its sum of digits gives 42110140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42110141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1052734 + ... + 1052773.

It is an arithmetic number, because the mean of its divisors is an integer number (7369278).

Almost surely, 2^42110140 is an apocalyptic number.

It is an amenable number.

42110140 is an abundant number, since it is smaller than the sum of its proper divisors (46321196).

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

42110140 is a wasteful number, since it uses less digits than its factorization.

42110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105516 (or 2105514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 42110140 is about 6489.2326202718. The cubic root of 42110140 is about 347.9062481412.

Adding to 42110140 its reverse (4101124), we get a palindrome (46211264).

The spelling of 42110140 in words is "forty-two million, one hundred ten thousand, one hundred forty".