444569066 has 8 divisors (see below), whose sum is σ = 671270304. Its totient is φ = 220812300.

The previous prime is 444569063. The next prime is 444569077. The reversal of 444569066 is 660965444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×444569066² = 395283308888224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444569063) 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 3 ways as a sum of consecutive naturals, for example, 735740 + ... + 736343.

It is an arithmetic number, because the mean of its divisors is an integer number (83908788).

Almost surely, 2^444569066 is an apocalyptic number.

444569066 is a deficient number, since it is larger than the sum of its proper divisors (226701238).

444569066 is a wasteful number, since it uses less digits than its factorization.

444569066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472236.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 444569066 is about 21084.8065203359. The cubic root of 444569066 is about 763.2141497380.

The spelling of 444569066 in words is "four hundred forty-four million, five hundred sixty-nine thousand, sixty-six".