424424401 has 6 divisors (see below), whose sum is σ = 429606530. Its totient is φ = 419304048.

The previous prime is 424424389. The next prime is 424424443. The reversal of 424424401 is 104424424.

It can be written as a sum of positive squares in only one way, i.e., 275560000 + 148864401 = 16600^2 + 12201^2 .

It is not a de Polignac number, because 424424401 - 2⁵ = 424424369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424424471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23916 + ... + 37693.

Almost surely, 2^424424401 is an apocalyptic number.

It is an amenable number.

424424401 is a deficient number, since it is larger than the sum of its proper divisors (5182129).

424424401 is an frugal number, since it uses more digits than its factorization.

424424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61775 (or 61692 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 424424401 is about 20601.5630717672. The cubic root of 424424401 is about 751.5077231450.

Adding to 424424401 its reverse (104424424), we get a palindrome (528848825).

The spelling of 424424401 in words is "four hundred twenty-four million, four hundred twenty-four thousand, four hundred one".