4400400233 has 2 divisors, whose sum is σ = 4400400234. Its totient is φ = 4400400232.

The previous prime is 4400400167. The next prime is 4400400311. The reversal of 4400400233 is 3320040044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2791748569 + 1608651664 = 52837^2 + 40108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400400233 - 2²² = 4396205929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4400400533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200200116 + 2200200117.

It is an arithmetic number, because the mean of its divisors is an integer number (2200200117).

Almost surely, 2^4400400233 is an apocalyptic number.

It is an amenable number.

4400400233 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400400233 is an equidigital number, since it uses as much as digits as its factorization.

4400400233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4400400233 is about 66335.5126082553. The cubic root of 4400400233 is about 1638.6922244540.

Adding to 4400400233 its reverse (3320040044), we get a palindrome (7720440277).

The spelling of 4400400233 in words is "four billion, four hundred million, four hundred thousand, two hundred thirty-three".