40300065 has 32 divisors (see below), whose sum is σ = 77159040. Its totient is φ = 19839168.

The previous prime is 40300063. The next prime is 40300079. The reversal of 40300065 is 56000304.

It is a happy number.

40300065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40300065 - 2¹ = 40300063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40300063) 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 31 ways as a sum of consecutive naturals, for example, 9727 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (2411220).

Almost surely, 2^40300065 is an apocalyptic number.

40300065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40300065 is a deficient number, since it is larger than the sum of its proper divisors (36858975).

40300065 is a wasteful number, since it uses less digits than its factorization.

40300065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990 (or 22984 counting only the distinct ones).

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

The square root of 40300065 is about 6348.2332187783. The cubic root of 40300065 is about 342.8482330274.

Adding to 40300065 its reverse (56000304), we get a palindrome (96300369).

The spelling of 40300065 in words is "forty million, three hundred thousand, sixty-five".