40582906 has 32 divisors (see below), whose sum is σ = 77349888. Its totient is φ = 15534720.

The previous prime is 40582889. The next prime is 40582909. The reversal of 40582906 is 60928504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40582909) by changing a digit.

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, 2046 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (2417184).

Almost surely, 2^40582906 is an apocalyptic number.

40582906 is a deficient number, since it is larger than the sum of its proper divisors (36766982).

40582906 is a wasteful number, since it uses less digits than its factorization.

40582906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40582906 is about 6370.4714111281. The cubic root of 40582906 is about 343.6484431231.

The spelling of 40582906 in words is "forty million, five hundred eighty-two thousand, nine hundred six".