40434213 has 16 divisors (see below), whose sum is σ = 54864000. Its totient is φ = 26484480.

The previous prime is 40434209. The next prime is 40434217. The reversal of 40434213 is 31243404.

40434213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40434209) and next prime (40434217).

It is not a de Polignac number, because 40434213 - 2² = 40434209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40434213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434217) 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, 52753 + ... + 53513.

It is an arithmetic number, because the mean of its divisors is an integer number (3429000).

Almost surely, 2^40434213 is an apocalyptic number.

It is an amenable number.

40434213 is a deficient number, since it is larger than the sum of its proper divisors (14429787).

40434213 is a wasteful number, since it uses less digits than its factorization.

40434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40434213 is about 6358.7902151274. The cubic root of 40434213 is about 343.2282280046.

Adding to 40434213 its reverse (31243404), we get a palindrome (71677617).

It can be divided in two parts, 4043 and 4213, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 40434213 in words is "forty million, four hundred thirty-four thousand, two hundred thirteen".