40975812 has 36 divisors (see below), whose sum is σ = 103778220. Its totient is φ = 13632192.

The previous prime is 40975789. The next prime is 40975819. The reversal of 40975812 is 21857904.

40975812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 6471936 = 5874^2 + 2544^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40975819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29158 + ... + 30530.

Almost surely, 2^40975812 is an apocalyptic number.

It is an amenable number.

40975812 is an abundant number, since it is smaller than the sum of its proper divisors (62802408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40975812 is a wasteful number, since it uses less digits than its factorization.

40975812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 40975812 is about 6401.2351933045. The cubic root of 40975812 is about 344.7539013670.

The spelling of 40975812 in words is "forty million, nine hundred seventy-five thousand, eight hundred twelve".