424400443 has 8 divisors (see below), whose sum is σ = 426964608. Its totient is φ = 421842624.

The previous prime is 424400437. The next prime is 424400467. The reversal of 424400443 is 344004424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424400443 - 2¹⁷ = 424269371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211521 + ... + 213517.

It is an arithmetic number, because the mean of its divisors is an integer number (53370576).

Almost surely, 2^424400443 is an apocalyptic number.

424400443 is a deficient number, since it is larger than the sum of its proper divisors (2564165).

424400443 is a wasteful number, since it uses less digits than its factorization.

424400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 424400443 is about 20600.9816028266. The cubic root of 424400443 is about 751.4935824556.

Adding to 424400443 its reverse (344004424), we get a palindrome (768404867).

The spelling of 424400443 in words is "four hundred twenty-four million, four hundred thousand, four hundred forty-three".