400230412 has 12 divisors (see below), whose sum is σ = 716691976. Its totient is φ = 195461280.

The previous prime is 400230409. The next prime is 400230431. The reversal of 400230412 is 214032004.

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 3 ways as a sum of consecutive naturals, for example, 1163289 + ... + 1163632.

Almost surely, 2^400230412 is an apocalyptic number.

It is an amenable number.

400230412 is a deficient number, since it is larger than the sum of its proper divisors (316461564).

400230412 is a wasteful number, since it uses less digits than its factorization.

400230412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326968 (or 2326966 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400230412 is about 20005.7594707124. The cubic root of 400230412 is about 736.9477467499.

Adding to 400230412 its reverse (214032004), we get a palindrome (614262416).

The spelling of 400230412 in words is "four hundred million, two hundred thirty thousand, four hundred twelve".