405636230 has 8 divisors (see below), whose sum is σ = 730145232. Its totient is φ = 162254488.

The previous prime is 405636229. The next prime is 405636233. The reversal of 405636230 is 32636504.

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

It is a super-2 number, since 2×405636230² = 329081502177225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 405636193 and 405636202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405636233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20281802 + ... + 20281821.

It is an arithmetic number, because the mean of its divisors is an integer number (91268154).

Almost surely, 2^405636230 is an apocalyptic number.

405636230 is a deficient number, since it is larger than the sum of its proper divisors (324509002).

405636230 is a wasteful number, since it uses less digits than its factorization.

405636230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40563630.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 405636230 is about 20140.4128557485. The cubic root of 405636230 is about 740.2508462949.

The spelling of 405636230 in words is "four hundred five million, six hundred thirty-six thousand, two hundred thirty".