4401423434 has 12 divisors (see below), whose sum is σ = 6682658226. Its totient is φ = 2174190312.

The previous prime is 4401423427. The next prime is 4401423491. The reversal of 4401423434 is 4343241044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4310316409 + 91107025 = 65653^2 + 9545^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4401423397 and 4401423406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145949 + ... + 173504.

Almost surely, 2^4401423434 is an apocalyptic number.

4401423434 is a deficient number, since it is larger than the sum of its proper divisors (2281234792).

4401423434 is an equidigital number, since it uses as much as digits as its factorization.

4401423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319621 (or 319538 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4401423434 is about 66343.2244769577. The cubic root of 4401423434 is about 1638.8192266577.

Adding to 4401423434 its reverse (4343241044), we get a palindrome (8744664478).

The spelling of 4401423434 in words is "four billion, four hundred one million, four hundred twenty-three thousand, four hundred thirty-four".