406442230 has 8 divisors (see below), whose sum is σ = 731596032. Its totient is φ = 162576888.

The previous prime is 406442161. The next prime is 406442249. The reversal of 406442230 is 32244604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 406442195 and 406442204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20322102 + ... + 20322121.

It is an arithmetic number, because the mean of its divisors is an integer number (91449504).

Almost surely, 2^406442230 is an apocalyptic number.

406442230 is a deficient number, since it is larger than the sum of its proper divisors (325153802).

406442230 is a wasteful number, since it uses less digits than its factorization.

406442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40644230.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 406442230 is about 20160.4124461778. The cubic root of 406442230 is about 740.7408152188.

Adding to 406442230 its reverse (32244604), we get a palindrome (438686834).

The spelling of 406442230 in words is "four hundred six million, four hundred forty-two thousand, two hundred thirty".