40036005 has 16 divisors (see below), whose sum is σ = 71175360. Its totient is φ = 21352464.

The previous prime is 40035991. The next prime is 40036019. The reversal of 40036005 is 50063004.

It is a happy number.

40036005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40035991) and next prime (40036019).

It is not a de Polignac number, because 40036005 - 2¹¹ = 40033957 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 148147 + ... + 148416.

It is an arithmetic number, because the mean of its divisors is an integer number (4448460).

Almost surely, 2^40036005 is an apocalyptic number.

40036005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40036005 is a deficient number, since it is larger than the sum of its proper divisors (31139355).

40036005 is a wasteful number, since it uses less digits than its factorization.

40036005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296577 (or 296571 counting only the distinct ones).

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

The square root of 40036005 is about 6327.4011252646. The cubic root of 40036005 is about 342.0977713692.

Adding to 40036005 its reverse (50063004), we get a palindrome (90099009).

The spelling of 40036005 in words is "forty million, thirty-six thousand, five".