40504565 has 8 divisors (see below), whose sum is σ = 48642720. Its totient is φ = 32378832.

The previous prime is 40504559. The next prime is 40504567. The reversal of 40504565 is 56540504.

40504565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40504565 - 2¹² = 40500469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504567) 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 7 ways as a sum of consecutive naturals, for example, 7166 + ... + 11504.

It is an arithmetic number, because the mean of its divisors is an integer number (6080340).

Almost surely, 2^40504565 is an apocalyptic number.

It is an amenable number.

40504565 is a deficient number, since it is larger than the sum of its proper divisors (8138155).

40504565 is a wasteful number, since it uses less digits than its factorization.

40504565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 40504565 is about 6364.3196808457. The cubic root of 40504565 is about 343.4271750480.

The spelling of 40504565 in words is "forty million, five hundred four thousand, five hundred sixty-five".