40190170 has 32 divisors (see below), whose sum is σ = 74400768. Its totient is φ = 15623808.

The previous prime is 40190141. The next prime is 40190173. The reversal of 40190170 is 7109104.

It is not an unprimeable number, because it can be changed into a prime (40190173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109327 + ... + 109693.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^40190170 is an apocalyptic number.

40190170 is a deficient number, since it is larger than the sum of its proper divisors (34210598).

40190170 is a wasteful number, since it uses less digits than its factorization.

40190170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 40190170 is about 6339.5717520981. The cubic root of 40190170 is about 342.5363095752.

Adding to 40190170 its reverse (7109104), we get a palindrome (47299274).

The spelling of 40190170 in words is "forty million, one hundred ninety thousand, one hundred seventy".