40163258 has 4 divisors (see below), whose sum is σ = 60244890. Its totient is φ = 20081628.

The previous prime is 40163243. The next prime is 40163261. The reversal of 40163258 is 85236104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30658369 + 9504889 = 5537^2 + 3083^2 .

It is a super-2 number, since 2×40163258² = 3226174586349128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040813 + ... + 10040816.

Almost surely, 2^40163258 is an apocalyptic number.

40163258 is a deficient number, since it is larger than the sum of its proper divisors (20081632).

40163258 is a wasteful number, since it uses less digits than its factorization.

40163258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081631.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40163258 is about 6337.4488558094. The cubic root of 40163258 is about 342.4598365179.

The spelling of 40163258 in words is "forty million, one hundred sixty-three thousand, two hundred fifty-eight".