40036500 has 288 divisors, whose sum is σ = 152635392. Its totient is φ = 8640000.

The previous prime is 40036487. The next prime is 40036517. The reversal of 40036500 is 563004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 976480 + ... + 976520.

It is an arithmetic number, because the mean of its divisors is an integer number (529984).

Almost surely, 2^40036500 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 40036500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76317696).

40036500 is an abundant number, since it is smaller than the sum of its proper divisors (112598892).

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

40036500 is a wasteful number, since it uses less digits than its factorization.

40036500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40036500 is about 6327.4402407293. The cubic root of 40036500 is about 342.0991812476.

Adding to 40036500 its reverse (563004), we get a palindrome (40599504).

The spelling of 40036500 in words is "forty million, thirty-six thousand, five hundred".