40296636 has 48 divisors (see below), whose sum is σ = 105817600. Its totient is φ = 13259376.

The previous prime is 40296623. The next prime is 40296637. The reversal of 40296636 is 63669204.

40296636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40296636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40296637) 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 15 ways as a sum of consecutive naturals, for example, 6171 + ... + 10893.

Almost surely, 2^40296636 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 40296636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52908800).

40296636 is an abundant number, since it is smaller than the sum of its proper divisors (65520964).

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

40296636 is a wasteful number, since it uses less digits than its factorization.

40296636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 40296636 is about 6347.9631378892. The cubic root of 40296636 is about 342.8385088087.

The spelling of 40296636 in words is "forty million, two hundred ninety-six thousand, six hundred thirty-six".