40036740 has 48 divisors (see below), whose sum is σ = 113951040. Its totient is φ = 10500480.

The previous prime is 40036729. The next prime is 40036811. The reversal of 40036740 is 4763004.

It is a self number, because there is not a number n which added to its sum of digits gives 40036740.

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 15 ways as a sum of consecutive naturals, for example, 1810 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (2373980).

Almost surely, 2^40036740 is an apocalyptic number.

It is an amenable number.

40036740 is an abundant number, since it is smaller than the sum of its proper divisors (73914300).

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

40036740 is a wasteful number, since it uses less digits than its factorization.

40036740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 11010 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40036740 is about 6327.4592057160. The cubic root of 40036740 is about 342.0998648209.

Adding to 40036740 its reverse (4763004), we get a palindrome (44799744).

The spelling of 40036740 in words is "forty million, thirty-six thousand, seven hundred forty".