40421206 has 16 divisors (see below), whose sum is σ = 73370016. Its totient is φ = 16304256.

The previous prime is 40421197. The next prime is 40421221. The reversal of 40421206 is 60212404.

40421206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 84681 + ... + 85156.

It is an arithmetic number, because the mean of its divisors is an integer number (4585626).

Almost surely, 2^40421206 is an apocalyptic number.

40421206 is a deficient number, since it is larger than the sum of its proper divisors (32948810).

40421206 is a wasteful number, since it uses less digits than its factorization.

40421206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169863.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40421206 is about 6357.7673754235. The cubic root of 40421206 is about 343.1914204925.

The spelling of 40421206 in words is "forty million, four hundred twenty-one thousand, two hundred six".