40340265 has 16 divisors (see below), whose sum is σ = 73765248. Its totient is φ = 18441216.

The previous prime is 40340257. The next prime is 40340291. The reversal of 40340265 is 56204304.

40340265 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 40340265 - 2³ = 40340257 is a prime.

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, 191992 + ... + 192201.

It is an arithmetic number, because the mean of its divisors is an integer number (4610328).

Almost surely, 2^40340265 is an apocalyptic number.

It is an amenable number.

40340265 is a deficient number, since it is larger than the sum of its proper divisors (33424983).

40340265 is a wasteful number, since it uses less digits than its factorization.

40340265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384208.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40340265 is about 6351.3986648612. The cubic root of 40340265 is about 342.9621941235.

Adding to 40340265 its reverse (56204304), we get a palindrome (96544569).

The spelling of 40340265 in words is "forty million, three hundred forty thousand, two hundred sixty-five".