42089210 has 16 divisors (see below), whose sum is σ = 75918600. Its totient is φ = 16800576.

The previous prime is 42089209. The next prime is 42089213. The reversal of 42089210 is 1298024.

42089210 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 42003361 + 85849 = 6481^2 + 293^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42089210.

It is not an unprimeable number, because it can be changed into a prime (42089213) 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, 956 + ... + 9224.

Almost surely, 2^42089210 is an apocalyptic number.

42089210 is a deficient number, since it is larger than the sum of its proper divisors (33829390).

42089210 is a wasteful number, since it uses less digits than its factorization.

42089210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 42089210 is about 6487.6197484131. The cubic root of 42089210 is about 347.8485986494.

The spelling of 42089210 in words is "forty-two million, eighty-nine thousand, two hundred ten".