40369585 has 16 divisors (see below), whose sum is σ = 51226560. Its totient is φ = 30456000.

The previous prime is 40369573. The next prime is 40369591. The reversal of 40369585 is 58596304.

It is not a de Polignac number, because 40369585 - 2¹⁵ = 40336817 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22999 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^40369585 is an apocalyptic number.

It is an amenable number.

40369585 is a deficient number, since it is larger than the sum of its proper divisors (10856975).

40369585 is a wasteful number, since it uses less digits than its factorization.

40369585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 40369585 is about 6353.7063986306. The cubic root of 40369585 is about 343.0452642794.

The spelling of 40369585 in words is "forty million, three hundred sixty-nine thousand, five hundred eighty-five".