40208230 has 16 divisors (see below), whose sum is σ = 76632480. Its totient is φ = 15137152.

The previous prime is 40208227. The next prime is 40208243. The reversal of 40208230 is 3280204.

It is a happy number.

40208230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40208198 and 40208207.

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, 118090 + ... + 118429.

It is an arithmetic number, because the mean of its divisors is an integer number (4789530).

Almost surely, 2^40208230 is an apocalyptic number.

40208230 is a deficient number, since it is larger than the sum of its proper divisors (36424250).

40208230 is a wasteful number, since it uses less digits than its factorization.

40208230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236543.

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

The square root of 40208230 is about 6340.9959785510. The cubic root of 40208230 is about 342.5876096764.

Adding to 40208230 its reverse (3280204), we get a palindrome (43488434).

The spelling of 40208230 in words is "forty million, two hundred eight thousand, two hundred thirty".