40311205 has 16 divisors (see below), whose sum is σ = 53136000. Its totient is φ = 29114560.

The previous prime is 40311169. The next prime is 40311209. The reversal of 40311205 is 50211304.

40311205 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 40311205 - 2¹⁵ = 40278437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311209) 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 15 ways as a sum of consecutive naturals, for example, 5736 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (3321000).

Almost surely, 2^40311205 is an apocalyptic number.

It is an amenable number.

40311205 is a deficient number, since it is larger than the sum of its proper divisors (12824795).

40311205 is a wasteful number, since it uses less digits than its factorization.

40311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40311205 is about 6349.1105676307. The cubic root of 40311205 is about 342.8798208792.

Adding to 40311205 its reverse (50211304), we get a palindrome (90522509).

Subtracting 40311205 from its reverse (50211304), we obtain a palindrome (9900099).

The spelling of 40311205 in words is "forty million, three hundred eleven thousand, two hundred five".