42420110 has 16 divisors (see below), whose sum is σ = 76680000. Its totient is φ = 16896096.

The previous prime is 42420109. The next prime is 42420181. The reversal of 42420110 is 1102424.

42420110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6485 + ... + 11264.

It is an arithmetic number, because the mean of its divisors is an integer number (4792500).

Almost surely, 2^42420110 is an apocalyptic number.

42420110 is a deficient number, since it is larger than the sum of its proper divisors (34259890).

42420110 is a wasteful number, since it uses less digits than its factorization.

42420110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995.

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

The square root of 42420110 is about 6513.0722397345. The cubic root of 42420110 is about 348.7578005561.

Adding to 42420110 its reverse (1102424), we get a palindrome (43522534).

The spelling of 42420110 in words is "forty-two million, four hundred twenty thousand, one hundred ten".