40805736 has 32 divisors (see below), whose sum is σ = 102708000. Its totient is φ = 13509440.

The previous prime is 40805731. The next prime is 40805761. The reversal of 40805736 is 63750804.

40805736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40805697 and 40805706.

It is not an unprimeable number, because it can be changed into a prime (40805731) 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 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (3209625).

Almost surely, 2^40805736 is an apocalyptic number.

It is an amenable number.

40805736 is an abundant number, since it is smaller than the sum of its proper divisors (61902264).

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

40805736 is a wasteful number, since it uses less digits than its factorization.

40805736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11569 (or 11565 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40805736 is about 6387.9367561052. The cubic root of 40805736 is about 344.2762563637.

The spelling of 40805736 in words is "forty million, eight hundred five thousand, seven hundred thirty-six".