40106235 has 32 divisors (see below), whose sum is σ = 69572160. Its totient is φ = 19728384.

The previous prime is 40106221. The next prime is 40106239. The reversal of 40106235 is 53260104.

It is a happy number.

It is not a de Polignac number, because 40106235 - 2¹⁰ = 40105211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40106239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32347 + ... + 33563.

It is an arithmetic number, because the mean of its divisors is an integer number (2174130).

Almost surely, 2^40106235 is an apocalyptic number.

40106235 is a deficient number, since it is larger than the sum of its proper divisors (29465925).

40106235 is a wasteful number, since it uses less digits than its factorization.

40106235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40106235 is about 6332.9483654930. The cubic root of 40106235 is about 342.2976871855.

Adding to 40106235 its reverse (53260104), we get a palindrome (93366339).

The spelling of 40106235 in words is "forty million, one hundred six thousand, two hundred thirty-five".