40423210 has 16 divisors (see below), whose sum is σ = 73092096. Its totient is φ = 16095888.

The previous prime is 40423199. The next prime is 40423217. The reversal of 40423210 is 1232404.

40423210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40423217) by changing a digit.

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, 6834 + ... + 11293.

It is an arithmetic number, because the mean of its divisors is an integer number (4568256).

Almost surely, 2^40423210 is an apocalyptic number.

40423210 is a deficient number, since it is larger than the sum of its proper divisors (32668886).

40423210 is a wasteful number, since it uses less digits than its factorization.

40423210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40423210 is about 6357.9249759650. The cubic root of 40423210 is about 343.1970919730.

Adding to 40423210 its reverse (1232404), we get a palindrome (41655614).

The spelling of 40423210 in words is "forty million, four hundred twenty-three thousand, two hundred ten".