40335636 has 96 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 11468800.

The previous prime is 40335623. The next prime is 40335637. The reversal of 40335636 is 63653304.

40335636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40335637) 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 31 ways as a sum of consecutive naturals, for example, 156820 + ... + 157076.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 2^40335636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40335636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54613440).

40335636 is an abundant number, since it is smaller than the sum of its proper divisors (68891244).

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

40335636 is a wasteful number, since it uses less digits than its factorization.

40335636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 40335636 is about 6351.0342464830. The cubic root of 40335636 is about 342.9490754465.

It can be divided in two parts, 4033 and 5636, that added together give a palindrome (9669).

The spelling of 40335636 in words is "forty million, three hundred thirty-five thousand, six hundred thirty-six".