405230272 has 14 divisors (see below), whose sum is σ = 804128948. Its totient is φ = 202615104.

The previous prime is 405230257. The next prime is 405230279. The reversal of 405230272 is 272032504.

It is not an unprimeable number, because it can be changed into a prime (405230279) 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 as a sum of consecutive naturals, namely, 3165798 + ... + 3165925.

It is an arithmetic number, because the mean of its divisors is an integer number (57437782).

Almost surely, 2^405230272 is an apocalyptic number.

It is an amenable number.

405230272 is a deficient number, since it is larger than the sum of its proper divisors (398898676).

405230272 is an equidigital number, since it uses as much as digits as its factorization.

405230272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331735 (or 6331725 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 405230272 is about 20130.3321383429. The cubic root of 405230272 is about 740.0038178522.

Adding to 405230272 its reverse (272032504), we get a palindrome (677262776).

The spelling of 405230272 in words is "four hundred five million, two hundred thirty thousand, two hundred seventy-two".