40580305 has 8 divisors (see below), whose sum is σ = 50012712. Its totient is φ = 31586688.

The previous prime is 40580297. The next prime is 40580321. The reversal of 40580305 is 50308504.

It is a happy number.

40580305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13373649 + 27206656 = 3657^2 + 5216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40580305 - 2³ = 40580297 is a prime.

It is a super-2 number, since 2×40580305² = 3293522307786050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40580305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109492 + ... + 109861.

It is an arithmetic number, because the mean of its divisors is an integer number (6251589).

Almost surely, 2^40580305 is an apocalyptic number.

It is an amenable number.

40580305 is a deficient number, since it is larger than the sum of its proper divisors (9432407).

40580305 is a wasteful number, since it uses less digits than its factorization.

40580305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219395.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40580305 is about 6370.2672628391. The cubic root of 40580305 is about 343.6411013728.

Adding to 40580305 its reverse (50308504), we get a palindrome (90888809).

The spelling of 40580305 in words is "forty million, five hundred eighty thousand, three hundred five".