400230304 has 12 divisors (see below), whose sum is σ = 787953474. Its totient is φ = 200115136.

The previous prime is 400230227. The next prime is 400230317. The reversal of 400230304 is 403032004.

It can be written as a sum of positive squares in only one way, i.e., 257666704 + 142563600 = 16052^2 + 11940^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253567 + ... + 6253630.

Almost surely, 2^400230304 is an apocalyptic number.

It is an amenable number.

400230304 is a deficient number, since it is larger than the sum of its proper divisors (387723170).

400230304 is a wasteful number, since it uses less digits than its factorization.

400230304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507207 (or 12507199 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 400230304 is about 20005.7567714896. The cubic root of 400230304 is about 736.9476804628.

Adding to 400230304 its reverse (403032004), we get a palindrome (803262308).

The spelling of 400230304 in words is "four hundred million, two hundred thirty thousand, three hundred four".