40605136 has 40 divisors (see below), whose sum is σ = 92431584. Its totient is φ = 17036160.

The previous prime is 40605119. The next prime is 40605151. The reversal of 40605136 is 63150604.

40605136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40605136.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6586 + ... + 11161.

Almost surely, 2^40605136 is an apocalyptic number.

It is an amenable number.

40605136 is an abundant number, since it is smaller than the sum of its proper divisors (51826448).

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

40605136 is a wasteful number, since it uses less digits than its factorization.

40605136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17779 (or 17773 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40605136 is about 6372.2159410993. The cubic root of 40605136 is about 343.7111781612.

The spelling of 40605136 in words is "forty million, six hundred five thousand, one hundred thirty-six".