40365029 has 4 divisors (see below), whose sum is σ = 40402284. Its totient is φ = 40327776.

The previous prime is 40365019. The next prime is 40365041. The reversal of 40365029 is 92056304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 29408929 = 3310^2 + 5423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40365029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40364992 and 40365010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40365019) 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 3 ways as a sum of consecutive naturals, for example, 16952 + ... + 19185.

It is an arithmetic number, because the mean of its divisors is an integer number (10100571).

Almost surely, 2^40365029 is an apocalyptic number.

It is an amenable number.

40365029 is a deficient number, since it is larger than the sum of its proper divisors (37255).

40365029 is a wasteful number, since it uses less digits than its factorization.

40365029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37254.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40365029 is about 6353.3478576259. The cubic root of 40365029 is about 343.0323587465.

The spelling of 40365029 in words is "forty million, three hundred sixty-five thousand, twenty-nine".