40766586 has 16 divisors (see below), whose sum is σ = 93180864. Its totient is φ = 11647584.

The previous prime is 40766573. The next prime is 40766591. The reversal of 40766586 is 68566704.

It is a happy number.

40766586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 970633 = 40766586 / (4 + 0 + 7 + 6 + 6 + 5 + 8 + 6).

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, 485275 + ... + 485358.

It is an arithmetic number, because the mean of its divisors is an integer number (5823804).

Almost surely, 2^40766586 is an apocalyptic number.

40766586 is an abundant number, since it is smaller than the sum of its proper divisors (52414278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40766586 is a wasteful number, since it uses less digits than its factorization.

40766586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970645.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 40766586 is about 6384.8716510201. The cubic root of 40766586 is about 344.1661188393.

The spelling of 40766586 in words is "forty million, seven hundred sixty-six thousand, five hundred eighty-six".