40670189 has 16 divisors (see below), whose sum is σ = 47351040. Its totient is φ = 34214400.

The previous prime is 40670183. The next prime is 40670207. The reversal of 40670189 is 98107604.

It is a cyclic number.

It is not a de Polignac number, because 40670189 - 2⁴ = 40670173 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115037 + ... + 115389.

It is an arithmetic number, because the mean of its divisors is an integer number (2959440).

Almost surely, 2^40670189 is an apocalyptic number.

It is an amenable number.

40670189 is a deficient number, since it is larger than the sum of its proper divisors (6680851).

40670189 is a wasteful number, since it uses less digits than its factorization.

40670189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 40670189 is about 6377.3183235589. The cubic root of 40670189 is about 343.8946320745.

The spelling of 40670189 in words is "forty million, six hundred seventy thousand, one hundred eighty-nine".