40336513 has 4 divisors (see below), whose sum is σ = 46098880. Its totient is φ = 34574148.

The previous prime is 40336511. The next prime is 40336519. The reversal of 40336513 is 31563304.

40336513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40336513 - 2¹ = 40336511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40336511) 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 3 ways as a sum of consecutive naturals, for example, 2881173 + ... + 2881186.

It is an arithmetic number, because the mean of its divisors is an integer number (11524720).

Almost surely, 2^40336513 is an apocalyptic number.

It is an amenable number.

40336513 is a deficient number, since it is larger than the sum of its proper divisors (5762367).

40336513 is an equidigital number, since it uses as much as digits as its factorization.

40336513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762366.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 40336513 is about 6351.1032899804. The cubic root of 40336513 is about 342.9515609588.

Adding to 40336513 its reverse (31563304), we get a palindrome (71899817).

The spelling of 40336513 in words is "forty million, three hundred thirty-six thousand, five hundred thirteen".