444466305 has 16 divisors (see below), whose sum is σ = 790162560. Its totient is φ = 237048624.

The previous prime is 444466289. The next prime is 444466307. The reversal of 444466305 is 503664444.

It is not a de Polignac number, because 444466305 - 2⁴ = 444466289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444466305.

It is not an unprimeable number, because it can be changed into a prime (444466307) 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, 1646037 + ... + 1646306.

It is an arithmetic number, because the mean of its divisors is an integer number (49385160).

Almost surely, 2^444466305 is an apocalyptic number.

444466305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444466305 is a deficient number, since it is larger than the sum of its proper divisors (345696255).

444466305 is a wasteful number, since it uses less digits than its factorization.

444466305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292357 (or 3292351 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 444466305 is about 21082.3695300125. The cubic root of 444466305 is about 763.1553402084.

The spelling of 444466305 in words is "four hundred forty-four million, four hundred sixty-six thousand, three hundred five".