4400400033 has 16 divisors (see below), whose sum is σ = 6592363200. Its totient is φ = 2900636640.

The previous prime is 4400400031. The next prime is 4400400041. The reversal of 4400400033 is 3300040044.

It is not a de Polignac number, because 4400400033 - 2¹ = 4400400031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4400399979 and 4400400015.

It is not an unprimeable number, because it can be changed into a prime (4400400031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913203 + ... + 918008.

It is an arithmetic number, because the mean of its divisors is an integer number (412022700).

Almost surely, 2^4400400033 is an apocalyptic number.

It is an amenable number.

4400400033 is a deficient number, since it is larger than the sum of its proper divisors (2191963167).

4400400033 is a wasteful number, since it uses less digits than its factorization.

4400400033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831309 (or 1831303 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4400400033 is about 66335.5111007671. The cubic root of 4400400033 is about 1638.6921996276.

Adding to 4400400033 its reverse (3300040044), we get a palindrome (7700440077).

The spelling of 4400400033 in words is "four billion, four hundred million, four hundred thousand, thirty-three".