40340133 has 16 divisors (see below), whose sum is σ = 63279360. Its totient is φ = 25311168.

The previous prime is 40340123. The next prime is 40340143. The reversal of 40340133 is 33104304.

40340133 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 (40340123) and next prime (40340143).

It is a de Polignac number, because none of the positive numbers 2^k-40340133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340123) 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, 43485 + ... + 44402.

It is an arithmetic number, because the mean of its divisors is an integer number (3954960).

Almost surely, 2^40340133 is an apocalyptic number.

It is an amenable number.

40340133 is a deficient number, since it is larger than the sum of its proper divisors (22939227).

40340133 is a wasteful number, since it uses less digits than its factorization.

40340133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87913 (or 87907 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40340133 is about 6351.3882734407. The cubic root of 40340133 is about 342.9618200468.

Adding to 40340133 its reverse (33104304), we get a palindrome (73444437).

The spelling of 40340133 in words is "forty million, three hundred forty thousand, one hundred thirty-three".