42454170 has 192 divisors, whose sum is σ = 132312960. Its totient is φ = 9331200.

The previous prime is 42454169. The next prime is 42454177. The reversal of 42454170 is 7145424.

42454170 is a `hidden beast` number, since 4 + 245 + 417 + 0 = 666.

42454170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42454177) 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 95 ways as a sum of consecutive naturals, for example, 695940 + ... + 696000.

It is an arithmetic number, because the mean of its divisors is an integer number (689130).

Almost surely, 2^42454170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42454170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66156480).

42454170 is an abundant number, since it is smaller than the sum of its proper divisors (89858790).

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

42454170 is a wasteful number, since it uses less digits than its factorization.

42454170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42454170 is about 6515.6864565447. The cubic root of 42454170 is about 348.8511172470.

Adding to 42454170 its reverse (7145424), we get a palindrome (49599594).

It can be divided in two parts, 42454 and 170, that added together give a palindrome (42624).

The spelling of 42454170 in words is "forty-two million, four hundred fifty-four thousand, one hundred seventy".