40806210 has 16 divisors (see below), whose sum is σ = 97934976. Its totient is φ = 10881648.

The previous prime is 40806187. The next prime is 40806223. The reversal of 40806210 is 1260804.

40806210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 680074 + ... + 680133.

It is an arithmetic number, because the mean of its divisors is an integer number (6120936).

Almost surely, 2^40806210 is an apocalyptic number.

40806210 is an abundant number, since it is smaller than the sum of its proper divisors (57128766).

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

40806210 is a wasteful number, since it uses less digits than its factorization.

40806210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360217.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 40806210 is about 6387.9738571788. The cubic root of 40806210 is about 344.2775893978.

The spelling of 40806210 in words is "forty million, eight hundred six thousand, two hundred ten".