40738436 has 12 divisors (see below), whose sum is σ = 71559180. Its totient is φ = 20292960.

The previous prime is 40738429. The next prime is 40738447. The reversal of 40738436 is 63483704.

40738436 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 22505536 + 18232900 = 4744^2 + 4270^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40738396 and 40738405.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17855 + ... + 20006.

It is an arithmetic number, because the mean of its divisors is an integer number (5963265).

Almost surely, 2^40738436 is an apocalyptic number.

It is an amenable number.

40738436 is a deficient number, since it is larger than the sum of its proper divisors (30820744).

40738436 is a wasteful number, since it uses less digits than its factorization.

40738436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38134 (or 38132 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40738436 is about 6382.6668407492. Note that the first 3 decimals coincide. The cubic root of 40738436 is about 344.0868831381.

The spelling of 40738436 in words is "forty million, seven hundred thirty-eight thousand, four hundred thirty-six".