444066463 has 4 divisors (see below), whose sum is σ = 444276400. Its totient is φ = 443856528.

The previous prime is 444066431. The next prime is 444066487. The reversal of 444066463 is 364660444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444066463 - 2⁵ = 444066431 is a prime.

It is a super-2 number, since 2×444066463² = 394390047122660738, 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 (444061463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101763 + ... + 106036.

It is an arithmetic number, because the mean of its divisors is an integer number (111069100).

Almost surely, 2^444066463 is an apocalyptic number.

444066463 is a deficient number, since it is larger than the sum of its proper divisors (209937).

444066463 is a wasteful number, since it uses less digits than its factorization.

444066463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209936.

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 444066463 is about 21072.8845438872. The cubic root of 444066463 is about 762.9264266390.

The spelling of 444066463 in words is "four hundred forty-four million, sixty-six thousand, four hundred sixty-three".