424444369 has 8 divisors (see below), whose sum is σ = 443143872. Its totient is φ = 405765360.

The previous prime is 424444367. The next prime is 424444381. The reversal of 424444369 is 963444424.

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 424444369 - 2¹ = 424444367 is a prime.

It is a super-2 number, since 2×424444369² = 360306044751616322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424444367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49902 + ... + 57784.

It is an arithmetic number, because the mean of its divisors is an integer number (55392984).

Almost surely, 2^424444369 is an apocalyptic number.

It is an amenable number.

424444369 is a deficient number, since it is larger than the sum of its proper divisors (18699503).

424444369 is a wasteful number, since it uses less digits than its factorization.

424444369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247.

The product of its digits is 331776, while the sum is 40.

The square root of 424444369 is about 20602.0476894895. The cubic root of 424444369 is about 751.5195084169.

The spelling of 424444369 in words is "four hundred twenty-four million, four hundred forty-four thousand, three hundred sixty-nine".