4000320232 has 16 divisors (see below), whose sum is σ = 7566979140. Its totient is φ = 1982459136.

The previous prime is 4000320227. The next prime is 4000320253. The reversal of 4000320232 is 2320230004.

It can be written as a sum of positive squares in 2 ways, for example, as 2810484196 + 1189836036 = 53014^2 + 34494^2 .

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, 2211663 + ... + 2213470.

Almost surely, 2^4000320232 is an apocalyptic number.

It is an amenable number.

4000320232 is a deficient number, since it is larger than the sum of its proper divisors (3566658908).

4000320232 is a wasteful number, since it uses less digits than its factorization.

4000320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425252 (or 4425248 counting only the distinct ones).

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

The square root of 4000320232 is about 63248.0848089490. The cubic root of 4000320232 is about 1587.4434122223.

Adding to 4000320232 its reverse (2320230004), we get a palindrome (6320550236).

The spelling of 4000320232 in words is "four billion, three hundred twenty thousand, two hundred thirty-two".