444650069 has 8 divisors (see below), whose sum is σ = 460222560. Its totient is φ = 429093616.

The previous prime is 444650039. The next prime is 444650083. The reversal of 444650069 is 960056444.

It is a happy number.

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 444650069 - 2¹² = 444645973 is a prime.

It is a super-2 number, since 2×444650069² = 395427367723409522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444650009) 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, 90494 + ... + 95280.

It is an arithmetic number, because the mean of its divisors is an integer number (57527820).

Almost surely, 2^444650069 is an apocalyptic number.

It is an amenable number.

444650069 is a deficient number, since it is larger than the sum of its proper divisors (15572491).

444650069 is a wasteful number, since it uses less digits than its factorization.

444650069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 444650069 is about 21086.7273183868. The cubic root of 444650069 is about 763.2605009022.

The spelling of 444650069 in words is "four hundred forty-four million, six hundred fifty thousand, sixty-nine".