40340036 has 24 divisors (see below), whose sum is σ = 77204064. Its totient is φ = 18290880.

The previous prime is 40340033. The next prime is 40340057. The reversal of 40340036 is 63004304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40340033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22136 + ... + 23888.

It is an arithmetic number, because the mean of its divisors is an integer number (3216836).

Almost surely, 2^40340036 is an apocalyptic number.

It is an amenable number.

40340036 is a deficient number, since it is larger than the sum of its proper divisors (36864028).

40340036 is a wasteful number, since it uses less digits than its factorization.

40340036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40340036 is about 6351.3806373103. The cubic root of 40340036 is about 342.9615451566.

The spelling of 40340036 in words is "forty million, three hundred forty thousand, thirty-six".