40036147 has 4 divisors (see below), whose sum is σ = 40791600. Its totient is φ = 39280696.

The previous prime is 40036141. The next prime is 40036163. The reversal of 40036147 is 74163004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40036147 - 2⁷ = 40036019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40036141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377647 + ... + 377752.

It is an arithmetic number, because the mean of its divisors is an integer number (10197900).

Almost surely, 2^40036147 is an apocalyptic number.

40036147 is a deficient number, since it is larger than the sum of its proper divisors (755453).

40036147 is an equidigital number, since it uses as much as digits as its factorization.

40036147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755452.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40036147 is about 6327.4123462913. The cubic root of 40036147 is about 342.0981758204.

The spelling of 40036147 in words is "forty million, thirty-six thousand, one hundred forty-seven".