42388210 has 16 divisors (see below), whose sum is σ = 76383000. Its totient is φ = 16936576.

The previous prime is 42388117. The next prime is 42388217. The reversal of 42388210 is 1288324.

42388210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33189121 + 9199089 = 5761^2 + 3033^2 .

It is not an unprimeable number, because it can be changed into a prime (42388217) 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 7 ways as a sum of consecutive naturals, for example, 10566 + ... + 14014.

Almost surely, 2^42388210 is an apocalyptic number.

42388210 is a deficient number, since it is larger than the sum of its proper divisors (33994790).

42388210 is a wasteful number, since it uses less digits than its factorization.

42388210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42388210 is about 6510.6228580682. The cubic root of 42388210 is about 348.6703564659.

The spelling of 42388210 in words is "forty-two million, three hundred eighty-eight thousand, two hundred ten".