40605505 has 8 divisors (see below), whose sum is σ = 50298624. Its totient is φ = 31436400.

The previous prime is 40605497. The next prime is 40605529. The reversal of 40605505 is 50550604.

40605505 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 not a de Polignac number, because 40605505 - 2³ = 40605497 is a prime.

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 40605505.

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, 130831 + ... + 131140.

It is an arithmetic number, because the mean of its divisors is an integer number (6287328).

Almost surely, 2^40605505 is an apocalyptic number.

It is an amenable number.

40605505 is a deficient number, since it is larger than the sum of its proper divisors (9693119).

40605505 is a wasteful number, since it uses less digits than its factorization.

40605505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262007.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 40605505 is about 6372.2448948546. The cubic root of 40605505 is about 343.7122193188.

The spelling of 40605505 in words is "forty million, six hundred five thousand, five hundred five".