40017146 has 16 divisors (see below), whose sum is σ = 64769544. Its totient is φ = 18433344.

The previous prime is 40017137. The next prime is 40017161. The reversal of 40017146 is 64171004.

It can be written as a sum of positive squares in 4 ways, for example, as 15405625 + 24611521 = 3925^2 + 4961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15800 + ... + 18156.

Almost surely, 2^40017146 is an apocalyptic number.

40017146 is a deficient number, since it is larger than the sum of its proper divisors (24752398).

40017146 is a wasteful number, since it uses less digits than its factorization.

40017146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40017146 is about 6325.9106854270. The cubic root of 40017146 is about 342.0440477676.

The spelling of 40017146 in words is "forty million, seventeen thousand, one hundred forty-six".