40586109 has 32 divisors (see below), whose sum is σ = 60403200. Its totient is φ = 24131520.

The previous prime is 40586083. The next prime is 40586111. The reversal of 40586109 is 90168504.

It is not a de Polignac number, because 40586109 - 2⁷ = 40585981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40586109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40586129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70794 + ... + 71364.

It is an arithmetic number, because the mean of its divisors is an integer number (1887600).

Almost surely, 2^40586109 is an apocalyptic number.

It is an amenable number.

40586109 is a deficient number, since it is larger than the sum of its proper divisors (19817091).

40586109 is a wasteful number, since it uses less digits than its factorization.

40586109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 40586109 is about 6370.7228004364. The cubic root of 40586109 is about 343.6574836866.

The spelling of 40586109 in words is "forty million, five hundred eighty-six thousand, one hundred nine".