40365605 has 16 divisors (see below), whose sum is σ = 56648064. Its totient is φ = 27034560.

The previous prime is 40365587. The next prime is 40365613. The reversal of 40365605 is 50656304.

It is not a de Polignac number, because 40365605 - 2⁸ = 40365349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11906 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (3540504).

Almost surely, 2^40365605 is an apocalyptic number.

It is an amenable number.

40365605 is a deficient number, since it is larger than the sum of its proper divisors (16282459).

40365605 is a wasteful number, since it uses less digits than its factorization.

40365605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 40365605 is about 6353.3931878957. The cubic root of 40365605 is about 343.0339904040.

The spelling of 40365605 in words is "forty million, three hundred sixty-five thousand, six hundred five".