40020058 has 16 divisors (see below), whose sum is σ = 66878280. Its totient is φ = 17833536.

The previous prime is 40020041. The next prime is 40020067. The reversal of 40020058 is 85002004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15547249 + 24472809 = 3943^2 + 4947^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25785 + ... + 27292.

Almost surely, 2^40020058 is an apocalyptic number.

40020058 is a deficient number, since it is larger than the sum of its proper divisors (26858222).

40020058 is a wasteful number, since it uses less digits than its factorization.

40020058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53121.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40020058 is about 6326.1408457289. The cubic root of 40020058 is about 342.0523442789.

The spelling of 40020058 in words is "forty million, twenty thousand, fifty-eight".