424444342309 has 16 divisors (see below), whose sum is σ = 482204457280. Its totient is φ = 370361704320.

The previous prime is 424444342253. The next prime is 424444342351. The reversal of 424444342309 is 903243444424.

It is a happy number.

It is not a de Polignac number, because 424444342309 - 2⁷ = 424444342181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424444342409) 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, 1767207 + ... + 1992964.

It is an arithmetic number, because the mean of its divisors is an integer number (30137778580).

Almost surely, 2^424444342309 is an apocalyptic number.

It is an amenable number.

424444342309 is a deficient number, since it is larger than the sum of its proper divisors (57760114971).

424444342309 is a wasteful number, since it uses less digits than its factorization.

424444342309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760660.

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 424444342309 in words is "four hundred twenty-four billion, four hundred forty-four million, three hundred forty-two thousand, three hundred nine".