444030805 has 16 divisors (see below), whose sum is σ = 541807488. Its totient is φ = 349272000.

The previous prime is 444030799. The next prime is 444030809. The reversal of 444030805 is 508030444.

It is a de Polignac number, because none of the positive numbers 2^k-444030805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444030809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147970 + ... + 150940.

It is an arithmetic number, because the mean of its divisors is an integer number (33862968).

Almost surely, 2^444030805 is an apocalyptic number.

It is an amenable number.

444030805 is a deficient number, since it is larger than the sum of its proper divisors (97776683).

444030805 is a wasteful number, since it uses less digits than its factorization.

444030805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 444030805 is about 21072.0384633286. The cubic root of 444030805 is about 762.9060054025.

It can be divided in two parts, 4440 and 30805, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 444030805 in words is "four hundred forty-four million, thirty thousand, eight hundred five".